Of the 8.7 million species on Earth, why are human beings the only one that paints self-portraits, walks on the Moon and worships gods?For decades, many scholars have argued that the difference stems ...

The post Eight Hours Of Good Sleep Is Recommended For Humans, But Ideal Looks Far Different For These Two Animals first on TwistedSifter.

By trying different options and observing each other, they might accumulate knowledge of the best qualities in a nut-smashing rock. Eventually, though, they’d hit a limit in the power and precision ...

Understanding these communication methods helps us appreciate the complexity of animal behaviour and how different species interact with each other and their environment.

An added compensation of showing animals at the Derry Township fair is renewing friendships with other area families who share the same interest.

So, what is it that attracts us to potential mates? A new study suggests that female animals learn from other females to prefer distinctive males as mates.

Elephants in Kenya's Amboseli National Park appear to call to each other with individual names using low, complex "rumbles," a study has found.

Other drivers may also come into play in the evolution of same-sex sexual behavior in animals, "Same-sex behavior is prevalent across the animal kingdom and can have various underlying causes ...

But there is a long history of different groups and belief systems that value kindness toward animals or believe in the rights of animals, going back millenia. When it comes to what is codified into ...

Wolfe thinks of crabs and other crustaceans like Lego creations: They have many different components that can be swapped out without dramatically changing other features.