From their feathers to feet, learn more about the major features of bird anatomy and what makes these fascinating animals so ...

Influences outside the breeding season matter a lot for the population health of migratory birds, but it's tough to track what happens once species scatter for the winter. A study now tries a new ...

Birds boast some of the most vibrant colors among terrestrial animals. Our pretty avian friends have inspired our Democrat and Chronicle photographers for years and captured the imaginations of many ...

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More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a new study in the journal Evolution, researchers ...

Feather mites are microscopic arthropods that inhabit the plumage and skin of birds, occupying specific microhabitats on their hosts. These mites exhibit extraordinary morphological diversity and host ...

The fossilized head crest of a pterosaur with evidence of feathers. Cincotta, A. et al. Nature (2022) Paleontologists studying a well-preserved head crest belonging to a species of pterosaurs say the ...

“Awkward” would probably be the most benevolent word I could use to describe the explosive launch into flight of the California quail. Certainly, the words graceful or athletic do not come to mind.