An illustration of Calcaivis, an early relative of ostriches and cassowaries that lived 52 million years ago, showing its iridescent feathers. Credit: Velizar Simeonovski Cassowaries are big flightless birds with blue heads and dinosaur-looking feet; they look like emus that time forgot, and they’re objectively terrifying. They’re also, along with […]

Visualizations of brain endocasts (blue) from the skulls of a dinosaur and a modern bird. Credit: Image courtesy of WitmerLab at Ohio University International team of researchers traces the history of brain evolution from tyrannosaurs to modern crows. An international team of evolutionary biologists and paleontologists have reconstructed the evolution […]

An analysis of a bird species’ unique rasps shows how sound fluctuations in birds’ songs might reveal details about birds’ body sizes. Credit: Uribarri et al. Physical Review Letters (2020) A team of researchers from Universidad de Buenos Aires, Museo Argentino de Ciencias Naturales and the University of Münster accurately […]

Black-throated Blue Warblers have shifted the timing of their spring and fall migrations over the past fifty years. Credit: Kyle Horton A growing body of research shows that birds’ spring migration has been getting earlier and earlier in recent decades. New research from The Auk: Ornithological Advances on Black-throated Blue Warblers, a […]

The proposed Migratory Bird Treaty Act doesn’t have the crucial clause that kept companies from killing vulnerable species. Birds like this could soon be left unprotected James Lee/Unsplash The Trump Administration just laid out their plans to gut one of the most important laws protecting birds in the United States. […]