An intact, fossilized specimen of the world’s largest egg—of any known species ever on Earth—entered the National Geographic ...

versatility and the qualities that attract birds. With sizes ranging from low-growing ground covers to small globe shapes to pyramidal trees growing 5 feet tall, small trees and shrubs easily fit ...

Despite their large size — with wingspans reaching around 5.5 feet (1.7 meters) — they're also preyed upon by other birds, including eagles, owls and hawks. But these vultures have a nifty ...