The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females. Scientists have long wondered whether evolution ...

Modern birds are the living relatives of dinosaurs. Take a look at the features of flightless birds like chickens and ostriches that walk upright on two hind legs, or predators like eagles and hawks ...

Wings may be the obvious choice when studying the connection between dinosaurs and birds, but a pair of Yale paleontologists prefer drumsticks. That part of the leg, they say, is where fibular ...

Ancient climate swings may have helped shape the birds you hear outside your window today. A new University of Michigan study suggests that passerines, the vast group that includes songbirds and ...

New research on bird behavior suggests that evolution may repeat itself. Scientists have long wondered whether evolution would follow the same path if history had a chance for a “do-over.” The new ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Fossil discoveries unlock chapters of our planet’s storied ...

An artist’s interpretation of Vegavis iaai diving for fish in the shallow ocean off the coast of the Antarctic peninsula, with ammonites and plesiosaurs for company. A new study in Nature describing a ...