In the wild, the animals sitting on capybaras are mostly birds, and they’re there for food. Cattle tyrants hitch rides on capybaras and snatch the insects they stir up, including horseflies trying to land on them. Yellow-headed caracaras pick ticks off capybaras. The capybara puts up with it because the birds aren’t a threat and get rid of some pests. The viral videos of ducks, monkeys and rabbits perched on capybaras are a different story, and many come from zoos and animal parks.
Which animals sit on capybaras in the wild? #
Two birds are well documented riding or feeding on capybaras:
| Animal | What it’s doing | What the capybara gets |
|---|---|---|
| Cattle tyrant | Riding along and catching insects the capybara flushes, including horseflies | Fewer biting flies |
| Yellow-headed caracara | Taking ticks from the capybara’s skin | Fewer ticks, though caracaras can also pick at open wounds |
Cattle tyrants #
The cattle tyrant is a small flycatcher from Central and South America. According to Wikipedia, it follows cattle and other large animals, “or even hitch rides on these animals,” and snaps up the insects they disturb. The species is “sometimes reported to have a cleaning symbiosis” with the large mammals it lives with. It takes ticks only occasionally, but it will hunt horseflies that try to land on capybaras.
For the bird, a capybara is a moving perch with an insect-flushing service. For the capybara, it’s a flyswatter that works for free.
Yellow-headed caracaras #
The yellow-headed caracara is a bird of prey in the falcon family, found from Nicaragua to Uruguay. Wikipedia says it “takes ticks from cattle and other large mammals like capybaras and tapirs.” The article includes a photo of one standing on a capybara in the Pantanal, Brazil.
The same sentence adds a less cozy detail: the caracara also “enlarges open wounds.” So the arrangement isn’t purely friendly. The capybara loses ticks, but a bird that picks at a wound isn’t doing it any favors.
Is it symbiosis? #
Partly. When two species both gain something, biologists call it mutualism. A bird eating the ticks and flies that bother a capybara fits that loosely. But the evidence shows these relationships are opportunistic rather than a formal partnership. Cattle tyrants take ticks only occasionally and are mostly after insects, and caracaras can make wounds worse. The birds are there for a meal, and the capybara benefits along the way.
Why do capybaras let them? #
The simplest explanation is that it’s not worth the fuss. Capybaras are calm grazers that spend much of their day resting or chewing. A small bird on your back isn’t a predator, and if it’s eating the flies that bite you, shaking it off makes no sense. Capybaras also live in groups and rely on water to escape real danger, so a bird on their back doesn’t set off alarm bells. We go into their temperament in why are capybaras so calm.
Size helps too. Adults usually weigh 35 to 66 kg, which makes them one of the biggest, steadiest perches in their wetland home. Our capybara size guide has the numbers.
What about monkeys, ducks and cats in viral videos? #
The internet is full of clips of capybaras with ducklings, monkeys, rabbits or house cats sitting on them, which is where the nickname “nature’s chair” comes from. Many of these are filmed in zoos, animal parks and private homes, where different species live side by side and get used to each other. The underlying trait is real, since capybaras are unusually tolerant, but you shouldn’t assume a wild capybara would put up with a monkey on its head.
Other famous capybara moments #
The other image that made capybaras internet stars is the hot spring. Japanese zoos have given capybaras warm baths, often with yuzu citrus floating in the water, since 1982. Put a calm animal in a steaming bath with fruit on its head and you get millions of views. The full story is in why do capybaras sit in hot springs.
A capybara whose friends move in #
Chill Capy, a virtual pet game about a capybara in a hot spring, borrows this tolerance for its home screen. As your capybara levels up, other animals move into his onsen and hang around: a bird at level 3, a turtle at level 6, a duck at level 9 and a frog at level 13. They can’t be bought. You earn them by looking after him.
Frequently asked questions #
Do capybaras get along with other animals? #
Generally, yes. They tolerate birds riding on them in the wild, and in zoos and parks they often share space calmly with other species. They’re still wild animals, and individuals differ.
Why do birds sit on capybaras? #
To eat. Cattle tyrants catch insects the capybara disturbs, including horseflies, and yellow-headed caracaras pick off ticks. A capybara is also a large, slow-moving perch.
What does “nature’s chair” mean? #
It’s an internet nickname for the capybara, based on how often photos and videos show other animals sitting on them. It isn’t a scientific term.
Is it good for the capybara when birds sit on it? #
Mostly. Removing flies and ticks helps. But yellow-headed caracaras can also enlarge open wounds, so the relationship isn’t all positive.