Geese vs. Hunters
Geese are holing up in the big city during the winter to avoid hunters.
Remnants of pigments in the fossils of dinosaur feathers provide clues to how they looked and …
More than a century of backyard bird feeding may have lengthened one bird species’ beaks.
Soot on museum bird feathers provide an accurate record of air pollution in 19th and 20th century …