u/Elegant-Gene-9460

So, a group of people recently created a reddit account to spread misinformation and targeted harassment against a researcher we cite whose work is one of the main educational sources of our community, r/capybaralife and who I also have a contact with.

The drama makers created posts in 3 subreddits (involving mine) to spread unsupported accusations and lies against an individual person, misframe their work and label them with serious accusations.

Their post they created in my sub has been removed by the automod immediately due to low karma at the time when they posted it. I confirmed the removal, muted the user for 28 days and decided to ban them permanently.

What should be the things I need to be aware of after this? Can I expect a different account appearing with the same purpose? As far as I know, circumvent the ban with a different account violates reddit rules.

I went back the same zoo yesterday, about two months after my previous visit, and I got another chance to interact with the capybaras.

Only entering the enclosure was prohibited and the interaction was allowed and it is entirely on the animals' decision if they want to go away from the fence. When she approached the fence this time, she was chirping repeatedly. After I started gently scratching her, the chirps became noticeably softer. Every so often she would also look toward me and make a different, whistle-like vocalization.

It was a really special feeling to see the same individual again and have her approach me voluntarily. The interaction itself was only about five minutes this time, but it was enough to make the whole trip worthwhile.

I also spoke with one of the keepers for more than 40 minutes. We talked mostly about the capybaras' social lives, feeding and welfare. I learned quite a bit about these two individuals in the process. One correction from my previous visit: I had thought this particular capybara was male, but the keeper told me that both of them are actually female!

I had originally thought about buying zoo pellets, but the keeper explained that pellets aren't their preferred food source and that these particular capybaras don't really like them anyway. So I decided it was better to just let the interaction happen.

I'm really glad I came back.

Many of us saw the photos and videos of capybaras lounging next to caimans or crocodiles. People call this "friendship" or "infinite chill". Then I looked closer; it felt unnatural. As I dug into ethology, I found something that changed how I viewed those images forever.

Some of the clips from the most popular capybara-content online isn't even real animal behavior. There is a viral compilation with well over 100 million views that includes a clip of a capybara allegedly bopping its head while riding on top of a huge crocodile into the bushes (Second Image). It is completely fake, 3D animated CGI, yet many people in the comments genuinely believe it is real footage.

People also take genuine interactions entirely out of context to blow this internet fantasy up. The clips where we see capybaras with other animals are not "friendship", but rather tolerance. A capybara will always choose another capybara first to bond with rather than another animal or a human. Capybaras have plenty of natural predators in South America where they are native: jaguars, pumas, crocodiles, caimans (some bird species eat the pups too, and even humans from some countries like Venezuela who think the biggest rodent is a fish so they abuse this excuse to eat them during Lent and every other time of the year).

What people online call "friendship" is actually complex biological decision-making. It's not that they like each other; it's that neither animal finds it energetically ideal to move at that moment. Caimans (the animals usually in these photos) have slow metabolisms. If they have recently eaten, they will not waste the energy required to attack a 150 lb animal.

Capybaras aren't masters of "calm"; they are masters of risk assessment. If they know a predator isn't posing danger to them at that particular time, the capybara knows he can save energy by staying still rather than running away. Online, the caiman in these photos is actually often too small to safely kill an adult capybara. The capybara knows this. He isn't "chilling." He is co-existing. Both the capybaras and crocodiles are saving energy. Crocodiles and caimans also have a slow metabolism, and they don't attack when the capybara is too big for them or when they are not hungry.

When we see photos of crocodiles near capybaras, it's a sign of a highly efficient survival strategy. Capybaras aren't "friends" with everyone; they refuse to waste energy on unnecessary fear, which can actually attract more attention from predators. When we perceive this as "friendship," we stop seeing the capybara's survival instincts and treat them like a cartoon character. This anthropomorphism leads to the following existing serious issues:

Safety Risks: People assuming wild capybaras are "safe" to approach, resulting in fights where people's dogs getting chased or even attacked by capybaras, meanwhile the capybaras just attacking out of self-defense.

Welfare Neglect: In captivity, people ignore stress signals because they think the animal is "just being chill."

Ecological Misunderstanding: We miss the reality of how these animals actually survive in high-predation environments.

Image Credit:

1. Photo by Mirella Cosimato via iNaturalist

2. Screenshot from the YouTube video "Do Crocodiles Loves Capybaras?" by Jasper Storm (used for educational purposes and mythbusting).

Related Posts:

This is NOT "fun for capybaras...

Capybara Friendliness: Are they really befriend every animal?

Capybaras Have... Plenty of Natural Predators

The Time People Classified Capybaras as "Fish"

For anyone interested in capybaras

Resources: Section 4 and 5.

While tens of millions of people on the internet sees this as a spa-day for the capybaras, the biological reality shows us a fascinating example of how these animals adapt to different climates.

The tradition started in 1982 at the Izu Shaboten Zoo when a keeper noticed capybaras huddling in a puddle of warm water while he was cleaning their enclosure.

Capybaras are native to hot and temperate regions of South America. They are evolved for warm climates. Japanese winters are extremely dry and cold in comparison. Capybaras are semi-aquatic and they need to spend a great amount of their lives in the water, but cold water in the winter would lead to hypothermia. The hot springs (Onsen) allow them to control their body temperature while still being active in their natural behaviors.

Yuzu peels contain oils that are released into the hot water. These oils have mild antibacterial benefits and the warmth supports their blood circulation.

When you see a capybaras sitting still in a bath, they aren't simply "chilling". They are saving energy. In the cold, they stay still to prevent heat loss. This is a highly efficient biological response to a cold environment.

The Yuzu bath is a beautiful tradition, but it’s more than a photo opportunity. It's an important part for animal husbandry that allows these incredible South American rodents to thrive in a climate that would otherwise be very harsh for them.

This viral popularity has also created a widespread dietary misconception, particularly when visitors are stacking oranges, tangerines, or other fruits on top of a capybara's head. Capybaras do not eat citrus or other fruits in the wild. Their digestive system is evolved to process tough, high-fiber grasses. Capybaras are exceptionally sensitive to simple sugars. Feeding them sugary fruits on a daily basis can disrupt their digestive system, leading to severe discomfort, diarrhea and can shorten their lifespan long-therm. The yuzu floating in the bath are meant to release subtle botanical oils into the warm water for skin health; not to serve as a snack or a balancing prop for entertainment.

Image Credit: Tatsuo Yamashita

For more information, you can visit:

https://www.nature.com/articles/s41598-021-03102-4

https://www.reddit.com/r/capybaralife/wiki/index/primary-information-sources/?screen_view_count=1

Related Posts:

Why Sugar & Sugary Foods are Harmful For Capybaras

For anyone interested in capybaras

A new documentary "The Route to Cappyness" is bringing the worldwide capybara perception to an even larger audience.

The film, directed by Midlands-based filmmaker Sharon Walia, follows the rise of capybaras as an internet and cultural phenomenon, visiting people and attractions connected with capybaras in several countries. The Guardian's recent review describes it as a celebration of the global capybara obsession and mentions a Japanese capybara café among the attractions featured.

There is a really important conversation we should have alongside that growing interest: What happens to capybaras when their popularity becomes an industry?

This isn't a post arguing that the documentary itself is harmful, nor am I saying that every capybara attraction is neglecting capybara welfare. I also haven't watched the film yet, so I don't want to make claims about things I haven't personally seen. I want to point out something that can easily get lost when we talk about how people say they love capybaras.

Human enjoyment and animal welfare are NOT the same thing! A person can have an amazing experience meeting a capybara and even the capybara can appear calm. Someone might make a video of that and post it online. The video can receive millions of views and a business can make money. And yet none of those things, by themselves, tell us whether the capybara is actually having a good life.

If we genuinely care about these animals, we need to ask what their lives are like from THEIR perspective. What should a capybara be able to experience? Capybaras aren't simply "the gentle giants of the rodents" that happen to enjoy being touched. They are highly social, semi-aquatic herbivores whose welfare depends on a wide range of biological and behavioral needs.

When we interact with captive capybaras, we should raise questions like:

Do they live with appropriate social companions?

Do they have enough space to move away from people if they want to?

Can they choose whether to approach visitors?

Is there somewhere visitors cannot enter where they can retreat and rest?

Do they have appropriate access to water?

Can they express natural grazing and chewing behaviors?

Do they have shade, shelter, mud and other opportunities for normal behavior?

Are interactions limited so that animals have sufficient uninterrupted periods without visitors?

Are keepers monitoring individual animals rather than assuming that a quiet animal is necessarily a happy animal?

What happens when capybaras repeatedly avoids, withdraws or otherwise shows signs that they do not want to interact?

Tolerance is not the same as enjoyment. An animal remaining still while people interact with them doesn't necessarily tell us how they feel about the interaction.

The café question isn't just theoretical. There is a peer-reviewed research specifically examining Japanese exotic-animal cafés. A 2025 study published in the Journal of Veterinary Medical Science assessed welfare conditions across 79 exotic-animal cafés in Japan. The researchers reported a widespread lack of appropriate animal-care provision across the facilities studied and concluded that stronger, effectively enforced welfare standards were urgently needed.

https://pmc.ncbi.nlm.nih.gov/articles/PMC12712171/

The study considered areas including housing, environmental conditions, opportunities for natural behavior and interactions with people.

This is where things are start to work against each other because the Route to Cappyness documentary presents an exotic-animal café as a positive part of the global capybara phenomenon. We shouldn't assume that a café is a positive experience for the animals simply because visitors enjoy it.

There is also a capybara-specific perspective: Liz Capaldi from Capybara World has been warning about capybara cafés and the broader problem of turning capybaras into entertainment for years. In her article, This Is Why Britain Must Not Have a Capybara Cafe, she argues that a café is fundamentally unsuitable as a habitat for a wild, socially and behaviorally complex species like the capybara. She also discusses the risks of encouraging animals to become increasingly responsive to human interaction for entertainment.

I want to be clear that these are Liz's arguments and observations, not claims that I personally witnessed.

A note on the sources: Much of the educational material shared in r/capybaralife comes from the work of Liz Capaldi / Capybara World, particularly regarding capybara behavior and welfare. For this post, I'm also including independent peer-reviewed research so that the discussion isn't based on a single source or perspective.

More people becoming interested in capybaras could result in positive and negative effects and that mainly depends on how people are perceiving them.

The positives can include:

more interest in their natural ecology;

more support for wetland conservation;

more scientific interest;

more people learning about their social behavior;

greater concern about habitat destruction;

and more people caring about the welfare of captive animals.

But popularity can also create demand for animals to become attractions which can result in more harm than good:

People say they love capybaras which results for the demand for capybara experiences to increase. This then makes more attractions appear, more animals are used for human entertainment, more content is produced and even more people want the experience. Whether that cycle is beneficial or harmful depends heavily on how the animals are kept and how much control they have over their own lives.

We could start asking: "Where can I see capybaras living well?" and "Can they choose whether to interact with me?" Instead of judging an attraction by how much visitors enjoyed themselves, we could ask: "What evidence is there that the animals are benefiting too?"

The internet has already taught millions of people to love the image of the capybara. The next step should be teaching people to understand the animal behind that image.

Capybaras are so much more than just cute. They are individuals with inner lives.

If The Route to Cappyness brings even more people into the world of capybaras, I hope we can use that interest as an opportunity to help people understand them better, rather than simply creating more demand to interact with them.

We all completely agree with the fact that capybara clips are some of the most charming content you can see online. However, there is a huge difference between what the social media algorithm populates and the actual biological needs of a giant semi-aquatic rodent. Short video formats cut out the environmental context. Understanding capybaras isn't going to happen by watching memes. It starts from an empirical perspective and a genuine interest in them as living and feeling animals, rather than laughing at a ten-second viral clip.

Human projection: When we see animals as cute above everything else, we start to think of them as characters instead of living beings. Cuteness is simply the visual appeal associated with the baby schema response. Capybaras are so much more than just cute. According to researchers like Capybara World, they are emotionally complex, they have high emotional, olfactory, and cognitive intelligence, and are extremely social. Ignoring their real biology makes overlooking their welfare needs much easier, causing us to unintentionally support bad animal welfare and promote places where capybaras shouldn't be kept in captivity like in animal cafés or zoos with low welfare standards.

Stillness is often not relaxation: In many viral pet or café clips, a capybara is shown sitting perfectly still while being touched, dressed up, or surrounded by noise in a crowded room. To casual viewers, this stillness look like relaxation. However, animal behavior looks vastly different from human behavior. When they are being placed in an environment they cannot escape, their default stress response is rarely aggression. Their anxiety can look similar to human calmness, but they are actually so deeply overwhelmed that they are actively blocking out the world, shutting down, and losing their will to move.

What true relaxation actually looks like: True relaxation happens when they are surrounded by the safety of their own species, near deep water, and free from the constant forced touch of visitors. When they are completely happy, secure, and enjoying a safe interaction, their coarse coat will literally stand on end across their entire body. A truly content capybara will entirely drop his guard, sometimes even rolling over onto his side or back to expose his belly.

The inter-species myth: Many of us have seen videos of a single capybara cuddling with cats, ducklings, or dogs. While these make for heartwarming clips, they reveal a strict biological reality: capybaras are obligate herd animals. Academic field data, such as the population research by Dr. Congdon, shows that their entire psychological and physiological health is based on strict, linear dominance hierarchies within their own species. A cat, dog, or human cannot replace the grooming, vocal communication, and social hierarchy of a capybara herd.

Forcing a capybara to live as a solitary "pet" with other species triggers chronic isolation distress, which results in a significant negative impact on their long-term physical and mental health. Taking a single capybara away from his herd for a long time often results in premature death due to extreme stress. This comes from their natural instinct where being alone in the wild means having almost no chance of survival against apex predators like jaguars or caimans.

Calling out these mistakes and seeing past the viral tropes is not about ruining the fun, being accusative, or making anyone feel bad for liking a cute video. Our goal is to move from a culture that treats animals as entertainment objects to one that respects them as complex, wild living beings.

The next time you see a viral clip of a capybara claiming they "don't care about anything" or "they have no stress" ignore the music, text, and editing. Try to immerse yourself in the capybara's perspective and look past the duration of the short clip. Ask yourself: "Does the capybara have a safe escape path where he can hide from humans if he wants to? Are their biological needs being met, or is the video just being staged for human entertainment?" True appreciation means respecting their boundaries, their biology, and their right to be wild. We need to advocate for them to live on expansive sanctuaries and wild riverbanks, rather than in garages, cafés, or apartments!

Related posts:

Capybara Stress Can Look Different From What We Expect

This is NOT "fun" for capybaras...

Cuteness Should Not Be the Only Thing That Let's Us Decide On How We Look At Capybaras (And Most Animals)

How to Truly Understand Capybaras

Resources:

Check out our community wiki for more information sources

Image credits:

1. juan “juancho” lopez

2. loan_1221

3. Lucas Leuzinger

The Situation at Sodegaura Zoo (Japan)

Reports directly from a researcher we cite highlight a rapidly escalating welfare crisis at Sodegaura Zoo.

A female capybara named Marie is exhibiting extreme nervousness, weight loss, and chronic diarrhea. For capybaras, digestive problems combined with psychological stress is frequently fatal without immediate diagnostic intervention.

The facility continues to allow breeding across multiple females without long-term planning. New offspring already born and additional pregnancies expected.

Approximately four young rescued males remain intact in shared quarters. If they aren't going to be neutered at the age of 6 months, that will inevitably trigger violent territorial fighting, leading to severe injuries.

Capybaras need stable social relationships and continuous grazing on coarse grasses. Chronic stress directly disrupts their digestive system and that leads to dehydration and rapid physical decline.

How You Can Help

Share objective updates regarding capybara husbandry and health indicators. Raising the average of public knowledge helps casual visitors recognize signs of distress (chronic diarrhea and stress) rather than mistaking them for normal conditions.

Avoid purchasing tickets or promoting facilities that prioritize entertainment and forced visitor interaction over veterinary standards and animal welfare.

Follow, translate, and boost field observations from researchers like Capybara World documenting these conditions on the ground. Public visibility remains one of the strongest drivers for institutional accountability.

When you engage in animal welfare discussions online, focus on systemic standards and factual husbandry requirements rather than personal attacks. This helps the conversation to stay grounded in credible advocacy.

Sources:

https://www.instagram.com/p/Dc41CDOJoCD/

https://www.instagram.com/p/DcXL93UJSMJ/

Related:

Grass Is an Essential Component of a Capybara Enclosure. Access To Grass Can Save a Capybara’s Life

Check out our community wiki for other resources.

Whenever videos of capybaras strolling through gated luxury yards in Argentina go viral, the comment section is full of jokes about "capybaras taking over" or "living peacefully with humans."

The reality isn't a cute story about suburban harmony. It is a severe environmental justice crisis.

Nordelta was constructed directly over the Paraná Delta wetlands in Tigre, Argentina. The developers destroyed the native marshlands which is the natural ecosystem capybaras have inhabited.

They aren't Invading, but trapped. Capybaras didn't move into human neighborhoods by themselves; urban expansion destroyed their homes. The excessive amount of fencing resulted to their natural migration paths to be blocked and the capybaras have nowhere else to go.

Lawns in neighborhoods and artificial lakes mimic the grass and water capybaras need to survive, forcing them into constant, dangerous proximity with humans, traffic, and domestic dogs.

Environmental groups like "lavozdeloscarpinchos" (the voice of the capybaras) are currently fighting Nordelta. By supporting them, you can help to give a stronger force against the constant destruction capybaras are facing daily in Nordelta. Stop Spreading the "Invasion" Myth! When you see Nordelta clips, post the real context in the comments. Misinterpreting displacement as "friendly co-existence" ignores animal suffering. Follow and amplify local conservation groups and legal teams fighting for Paraná Delta protection. Public pressure keeps judges accountable.

Resources: https://www.instagram.com/p/DcWnXQYmTM5/?img_index=1

Related: https://capybaraworld.wordpress.com/category/nordelta/

The Unfair Eviction in Nordelta: Who Is Really Invading Whom?

Capybaras have an excellent sense of hearing. Because they emit a wide range of sounds to communicate with each other, their hearing abilities also evolved to be at a high level. To make predators harder to find them, they use a big portion of their sounds that are similar to bird sounds. Capybaras can emit sounds that most predators - including humans, cannot hear. But they do obviously hear these sounds. Furthermore capybaras can also hear sounds that have a lower frequency than the minimum of what humans can hear.

Related Posts:

The Language of Capybaras: All the Sounds Capybaras Make

Capybaras Have... Plenty of Natural Predators

Image Credit: "lkz" via iNaturalist

Check out our community wiki for resources

Turn sound on for this clip.

This is how you can tell the key behavioral cues in this footage between these two separated males:

Capybara aggression and conflict signals are sharp and immediate. The clicking sound at 0:01 is teeth chattering. In capybaras, this is a direct, warning signal used to assert dominance, display agitation, or signal an intent to attack.

Look at the raised snout, stiffened neck, body movement and language, and the intense focus on the gap in the gate. Unlike a relaxed animal exploring their environment, every muscle here is tense and primed for confrontation. They can still smell, hear, and see each other constantly. This can create an additional layer of chronic stress. Standing at a boundary line while chattering teeth is the exact opposite of a relaxed state.

At 0:08, you can see something leaking from the back of one of the capybaras and patches of it on the ground. That is a substance which is produced by their anal-scent glands. Marking their territory is another way to assert dominance.

In captive herd settings, mature males frequently establish strict territorial hierarchies. Without sufficient space to disperse, dominance disputes can quickly escalate into severe physical conflicts.

Physical separation prevents active fighting, but the lack of visual barriers means scent and other cues continue to trigger stress responses. Effective management requires complete visual and olfactory isolation, or adequate space for flight to allow an animal's stress hormones to return to a safe state.

Capybaras are specialized grass-eating herbivores and they require a high-fiber, low-nutrition, near zero-sugar diet. Natural diets consist of roughly 75% fresh grasses, greenery and hard vegetation to wear down their ever-growing teeth.

The enclosure lacked visible fresh green browse, relying primarily on dry hay. Additionally, processed high-sugar treats like household biscuits intended for human consumption were being offered as reward from the keepers. Introducing human foods with artificial ingredients into a capybara's sensitive digestive system poses risks of digestive problems, diarrhoea, and severe discomfort in small quantities and can be life threatening in worse cases.

Direct, uncontrolled visitor access where guests can approach, touch, or corner animals creates environmental stress. Unsupervised petting interactions like at 0:24 in the video elevate vigilance in animals that are already displaying chronic stress cues. Safe interaction requires opportunities to retreat, and active monitoring to ensure both human safety and animal comfort.

Location: Bella Animal Park Hungary. I was looking into if this zoo may be a part of EAZA (Europian Associations of Zoos and Aquaria) but I discovered that it is not.

This is how you can help: The next time you visit an animal park or zoo, look past the "cuteness" and pay attention to forage availability, enclosure design, retreat zones opportunities, how the animals communicate through body language and the intensity of their movement.

The most effective way to drive change is by voting with your support: choose to revisit and support facilities that prioritize animal welfare over visitor entertainment. You can read about this in our related post. Spotting the difference between a genuinely relaxed animal and a chronically stressed one allows us to ask better questions and support better institutions.

We need to spend some time on public advocacy toward accredited sanctuaries and high-welfare facilities that put species-appropriate care before human entertainment to help raise the baseline for animal welfare standards!

Check out our related posts and sources here:

This is What Capybaras Need To Thrive In Captivity

Capybara Stress Can Look Different From What We Expect

Why Sugar & Sugary Foods are Harmful For Capybaras - The Ideal Diet For Capybaras

Check out our community wiki for more information regarding animal welfare claims

Other related resources

You may have met with popular statements about capybaras online like "they are always calm" or even "they don't feel stress". However, capybara behavior is not the same as human behavior, and the way how they perceive and express a certain emotion can be many times vastly different than how would humans react in the same situation. We're used to interpret animals through our own experiences, a capybara who is sitting very still or showing little outward reaction can appear relaxed to us. But stillness by itself doesn't tell us what the animal is experiencing.

Capybaras are highly focused on saving energy and like to stay still to think about a course of action. This results them not reacting as excessively as many other animal species would in the same situation. But when things got to a point where the capybaras getting surrounded by visitors in a café (image on the left) a different thing happens. They are getting overwhelmed losing their paths from escape and losing their will to move. This is not the same as when they are thinking on a course of action. They rarely react in aggression when they are feeling themselves overwhelmed.

Capybaras and humans have many emotions that are similar to each other, but this does not mean both humans and capybaras express these emotions the same way.

Resources:

Image on the right: OP's own video still from Győr Zoo (Hungary)

I'm intentionally not giving links to the image on the left where their abuse is framed as entertainment to not give a route to people to support these facilities where these images are made.

Community Wiki -> Primary Information Sources -> Section 4 and 5.

Related Post: https://www.reddit.com/r/capybaralife/comments/1tusfiu/what_each_emotion_really_looks_like_in_capybaras/

My latest visit from Győr Zoo (Hungary): There were 8-12 herd members, females, a male and multiple young and juvenile, it has the most variety. Their enclosure was huge, has a deep, clean water source, mud, shelter, shadows and areas where the capybaras can go away from the visitors if they want to. However, it has no grass again. Their food not only seemed to be not enough, but the only food they seem to get was hay and cucumber from the feeding events from the visitors. The enclosure clearly lacked options for fresh green forage; the hay provided was insufficient on its own to satisfy this specific need for fibrous chewing material.

I had the opportunity to make the breeding male of the herd absolutely blissed out. It didn't take me long to make his hair rising, and I saw a very obvious smile too. I eventually found his sweet spot on the lower area of his chest that was also softer too. My phone ran out of battery so I could not record the other two instances of me petting a juvenile to the point that he started to roll over with full-puffed up coat, closed eyes. I also pampered one of the adult females to her sleep. The overall interaction was absolutely phenomenal.

The original recording contains my voice, which I've muted for privacy. I decided not to add music either, so the video can simply show the interaction as it happened.

Welfare assessment claims based on: https://capybaraworld.wordpress.com/2026/04/18/capybara-stress-welfare-checklist-use-it-when-you-visit-a-zoo/

This is how you can understand how cognitive science is being used to build real legal protections for the capybaras in Nordelta. This latest blog is something you find really interesting. It's from a research source that covers the great majority of our posts in this community.

Read the full blog here: https://capybaraworld.wordpress.com/2026/08/22/how-lori-marinos-work-provides-a-legal-basis-for-the-capybaras-of-nordelta-to-survive/

As prey animals, capybaras feel the safest when they know their herd-mates are around and they can count on each other. They are constantly communicating with each other through a variety of forms; mostly by scent and smell. The emit a wide range of vocalisations from chirps, whistles, purrs, barks and squeals.

Capybaras are territorial, especially when they are not used to humans. Their emotional sensitivity is one of the key factors of a well planned teamwork. In the wild, they are constantly aware of their role and each other.

A herd of capybaras is strongly driven by a hierarchy ladder where each member of the herd knows where he is at. There's always an alpha, the breeding male who leads the herd. He is responsible for keeping up the strongest genetics for future generations, this means he can get the most chances for mating with dominant females. Dominant females also have a better chance of giving a successful birth.

At the lower part of the hierarchy, there are the subordinate males who are responsible for the safety of the herd. When a predator, like a jaguar or a human approaches, they emit a bark-like sound that immediately sends the entire herd into the nearest source of water. Waterbodies are the priority for capybaras who flee from danger. This amount of social awareness can only be observed in highly intelligent herd animals.

In captivity, capybaras are often kept in places where their herd members are being separated from each other. This can be immensely stressful for them and this stress comes from a natural instinct; When an individual member of a herd loses the contact from his herd mates, there's a much greater chance of falling victim to a predator. Capybaras in captivity don't lose their natural instincts and if not a predator, the constant anxiety, stress and depression will cause them a premature death.

This is how strongly capybaras depend on each other. They aren't simply 'social' but they strongly rely on a complex system they are using and used to stay alive in one of the most active ecosystems on Earth.

Image Credit: Lucas Mantelo Cruz

Resources: Community Wiki -> Primary Information Sources -> Section 1, 2, 4 and 5.