Living Bird Autumn 2022—Table of Contents

Are the massive migration flights of Northern Goshawks a thing of the past? Some scientists think climate change and habitat loss have made these big accipiters permanently scarce. But others see a complex pattern of cycles within cycles, and the possibility that the mega flights will return.

Clark’s Nutcrackers and whitebark pine have deeply intertwined lives. If and when the pine is listed under the Endangered Species Act, the tree’s recovery could depend on its birdy best friend.

Using an innovative analysis of the “morphospace,” scientists discovered that the world’s most unusual bird species are the ones most at risk of extinction. Their loss would leave a less diverse, interesting, and functional world.