In the meantime, other scientists sought to illuminate the origin of feathers by examining the scales of modern reptiles ... from trees. Other paleontologists argued that birds did not evolve ...

Bird beaks come in almost every shape and size—from the straw-like beak of a hummingbird to the slicing, knife-like beak of ...

Few subjects in evolutionary theory have posed such intriguing puzzles for so long as the origin of birds. Evidence of avian beginnings has been elusive in the fossil record because birds' light ...

Study reveals that songbirds share trees by foraging differently, though their diets often overlap, showing how similar ...

Good, because you may be shocked to learn that evolution can retrace its steps. A recent study of the wrists of modern birds finds that ... on animal hosts. And a tree frog from South America ...

“Modern reconstructions of predatory dinosaurs are startlingly bird-like and would have ... to a move by some small theropods into trees in search of either food or protection. During the course of ...

A new study used modern methods to reassess a foundational study in biology that explained how ecologically similar species of wood warblers coexist. The research team examined foraging behavior, ...