Consulting research studies, documented observations, and news articles, Stacker compiled 12 instances of animals in the wild adopting other animals of different species. The list includes the ...

Penguin chicks, whose coats are made of fluffy down feathers, aren't as protected from the rain as adult penguins. Getting ...

The best nature documentaries are the ultimate trip, minus the drugs. I'm talking about the kind of films that make you feel ...