Gouldian finches, endemic to northern Australia, are among the tropical birds that may be vulnerable to extreme heat. Darren Sutherland via Getty Images A recent study has found that extreme heat ...

To know what a tropical bird is, you first have to know where the tropics are. The tropics form a band around the equator bordered by the Tropic of Cancer in the north and the Tropic of Capricorn in ...

(CNN) — From the rainforests of Central and South America to the savannas of northern Australia, the world’s equatorial regions are home to thousands of unique bird species, from macaws to toucans to ...