Lots of domestic animals are crossbred to make new breeds. Among dogs, for instance, a Siberian retriever is a cross between a Siberian husky and a Labrador retriever, while a cockapoo is a cocker ...

A good way to start an argument among biologists is to ask them what seems a simple question: "What is a species?" To evolutionary theorists, a species is a fundamental unit, and transitions between ...

The result: the liger and the tigon. Ligers have lions for pops and tigers for moms and grow much larger than their parents. Tigons have the reverse for parents and tend to be dwarfs. Experiments with ...

Eleanor has an undergraduate degree in zoology from the University of Reading and a master’s in wildlife documentary production from the University of Salford. Eleanor has an undergraduate degree in ...

For more on big cats, tune in to Big Cat Week, premiering Monday, Feb. 20, at 9/8c on Nat Geo WILD and learn more about the National Geographic Big Cats Initiative, a global initiative that supports ...

A good way to start an argument among biologists is to ask them what seems a simple question: "What is a species?" To evolutionary theorists, a species is a fundamental unit, and transitions between ...