A baby hummingbird hatches. But it has fluffy feathers on its back, looking just like a dangerous caterpillar. Could this be ...

That changed when Michael Castaño-Díaz and Sebastián Gallan Giraldo, a Ph.D student and research assistant, spotted a White-necked Jacobin nest with a caring female and one egg in a national park in ...

For members of the Sani Warmi collective in Amazonian Ecuador, the day begins before sunrise. They tend to the chacra — their ...