Ever heard of a liger? Or how about a zonkey? If you're unfamiliar, crossbreeding is the strengthening of the species genes of one animal by breeding with a stronger mate of another animal. Sometimes ...

Here are some animals with the most unusual defense mechanisms: Sperm whales dive over 3,000 meters deep to escape threats, ...

life-size sheep replicas and philosophical musings about the interconnectedness of the two species Eli Wizevich Olney, Illinois, has taken steps to protect an iconic mammal from domesticated ...

Only vertebrate animals have real teeth, though some invertebrates have hard tooth-like plates they use to eat. One of the earliest creatures with teeth were conodonts, an eel-like creature that first ...