New Zealand's endangered kakapo has a unique breeding cycle. Now, for the first time in four years, the parrots are in the ...

Antarctica's penguins are speeding up their family planning—and scientists say that's not good news. A 10-year study of three ...

Silent night? Not in many parts of Alabama that are home to chorus frogs. The Ornate Chorus frog has black splotches and a distinct call. Its prime breeding time is December. “It’s just a real sharp, ...