CLIMATEWIRE | Millions of birds are winging their way north now as part of their annual spring migration, preparing to settle down in their summer homes and raise their young. But some species may be ...

In Texas, biologists have documented an extraordinary bird — the natural hybrid offspring of a green jay and a blue jay. Once separated by millions of years of evolution and distinct ranges, the two ...

Native trees, such as oaks, have long held a special place in our culture and countryside. Now, researchers have shown that these trees are also important to woodland birds and their offspring. A new ...