The wings of the world's tiniest birds are a near-invisible blur as they whizz around tourists visiting a private Cuban garden that has become a haven for the declining species. The bee hummingbird, ...

Hummingbirds are the smallest birds in the world and the size of raisins when they hatch. The tiniest species is Cuba’s two-inch-long bee hummingbird.

A true treasure of the Americas, hummingbirds are a diverse family of more than 340 species, only 17 of which are found north of Mexico. They are also keystone mutualists, nectar feeders that have ...