Land Mammals
Latest about Land Mammals
![A puppy with large eyes.](https://cdn.mos.cms.futurecdn.net/dekU275HMsdM7ieEJC6xHQ-320-80.jpg)
'Puppy eyes' didn't evolve just for humans, study of wild dogs finds
By Joanna Thompson published
A new study debunks the idea that domestic dogs specifically evolved puppy dog eyes to tug on our heartstrings.
![A photograph of a birman cat](https://cdn.mos.cms.futurecdn.net/Kv3YN5bJSZgkT48yETpUi6-320-80.jpg)
Massive study of 8,000 cats reveals which breeds live longest
By Skyler Ware published
Birman and Burmese cats live the longest, while Sphynx cats die the youngest, a giant new study of U.K. cats found.
![Two elephant calves touching trunks.](https://cdn.mos.cms.futurecdn.net/GQANitBHLBNuEbff2HHpcV-320-80.jpg)
Elephants say 'hello' to friends by flapping their ears and making little rumbly noises
By Meg Duff published
Elephants use ear flaps, rumbles, trunk reaches and other forms of communication to greet peers, new research suggests.
![Hippopotamus in a grassy field.](https://cdn.mos.cms.futurecdn.net/cfoTVwNMZzUn6HCaDFXD7L-320-80.jpg)
Is hippo milk really pink?
By Lydia Smith published
Hippos don't produce pink milk, but they do produce a pink, sweat-like secretion.
![Fighting Bonobos ( Pan paniscus) on a tree branch](https://cdn.mos.cms.futurecdn.net/vjfBfmFmpcsBxkrx7NHWLX-320-80.jpg)
'Hostilities began in an extremely violent way': How chimp wars taught us murder and cruelty aren't just human traits
By Jessica Serra published
Can chimpanzees wage war? In this excerpt from "The Beast Within: Human as Animals," scientific researcher Jessica Serra looks at the dark side of our cousins' behavior.
![Small dog sniffing big dog's butt](https://cdn.mos.cms.futurecdn.net/u4etRxZgQ9kx8auGdz62YJ-320-80.jpg)
Why do dogs sniff each other's butts?
By Clarissa Brincat published
And like dogs, why do cats also sniff fellow felines' behinds?
![Front and profile of a hammer-headed bat fitted with a solar-powered GPS collar.](https://cdn.mos.cms.futurecdn.net/euvEvT9MiQyNLFqiSuVcMa-320-80.jpg)
Hammer-headed bat: The African megabat that looks like a gargoyle and holds honking pageants
By Sascha Pare published
Hammer-headed bats are named after the males' oversized boxy heads, which evolved to amplify and project the honking sounds they produce to impress females during courtship displays.
![A time lapse of a falling orange cat](https://cdn.mos.cms.futurecdn.net/xhX4VmGEotbtvfVPbLisia-320-80.jpg)
How do cats land on their feet?
By Marlowe Starling published
Cats are masters of contortion — and the laws of physics — which helps them stick the landing more times than not.
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