The bird my fellow trekkers and I are after is the ... the same material as fingernails, hair, and rhino horn. Not much is understood about helmeted hornbill behavior, but they’re known to ...

What is a horned screamer? Horned screamers are the unicorns of the bird world. Over the course of their lives, these birds grow long, white spines of cartilage in the middle of their foreheads.

PORTLAND, Ore.— The Center for Biological Diversity and the Audubon Society of Portland sued the U.S. Fish and Wildlife Service today to protect streaked horned larks, once-numerous birds found in ...