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

Think telling sparrows apart is just not worth the effort? Our tips might change your mind. Identify sparrows by habitat, ...

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 ...

A Purple Finch in the middle of molting makes for a strange picture but is an essential part of the bird's life.

There are over 350 species of hummingbirds, but only a little over a dozen visit or stay the U.S. Learning the different ...

Charles Darwin is most famous for his finches, from whose beaks he gleaned the idea that a single species might radiate into many. But he studied other attributes of birds, too—like the rhythmic ...

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 ...