Birds coverage.

Humidity and heat are killers for tropical birds: Waxbill and hornbill studies highlight the dangers

'Their greatest challenge since they stared down the asteroid': Paleontologist Steve Brusatte on why birds are facing their biggest existential threat since the dino-killing asteroid

'He began to cry, and almost fell to the floor': The fluffy fossil that finally showed the world that birds are dinosaurs

In this excerpt from "The Story of Birds", author Steve Brusatte explores the moment where paleontologists realized they had critical evidence to show birds came from dinosaurs — a…