Autor: Bates John Bates

Tiny ruby-throated hummingbirds weighing less than a nickel fly from the upper Midwest to Costa Rica every fall, crossing the six-hundred-mile Gulf of Mexico without a single stop. One of the many cr …

From the brilliantly green and glossy eggs of the Elegant Crested Tinamou-said to be among the most beautiful in the world-to the small brown eggs of the house sparrow that makes its nest in a lamppo …