Animation Princeton-led team trains wild hummingbirds to discriminate UV color combinations. To find food, dazzle mates, escape predators and navigate diverse terrain, birds rely on their excellent color vision. “Humans are color-blind compared to birds and many other animals,” said Mary Caswell Stoddard, an assistant professor in the Princeton University Department of Ecology […]

Reconstruction of the giant pterosaur Hatzegopteryx launching into the air, just after the forelimbs have left the ground. Credit: Mark Witton Pterosaurs were the largest animals ever to fly. They soared the skies for 160 million years–much longer than any species of modern bird. Despite their aeronautic excellence, these ancient […]

Damage (red devils) like drying out, harsh chemicals or heat normally causes proteins to become unstable and lose their proper shape and function (left side, orange). Researchers at the University of Tokyo have characterized Hero proteins (pink, purple, green), long, flexible proteins that protect other proteins (right side, orange). Credit: […]

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 […]