When I'm hiking around in the early spring before the foliage comes out again, I like to keep an eye out for old bird nests. They come in all sizes, shapes, are made up of a multitude of materials and ...

The material a bird selects for its nest depends on the dimensions of its beak, according to researchers. The material a bird selects for its nest depends on the dimensions of its beak, according to ...

When it comes to creating nests, birds can be incredibly different from one another. The first that comes to mind is the bald eagle’s nest, which is typically about 6 feet across at the top. Many ...

Could you build a simple, cup-shaped bird nest, like that of a Northern cardinal, strong enough to withstand the vicissitudes of spring weather and hold three to five nestlings? I accepted that ...

Maria Cristina Tello-Ramos Neighboring groups of birds within the same species can create very different-looking nests — showing that their nest-building choices aren’t solely controlled by instinct ...

The shape of the beaks of different species of Galapagos finches played an important part in Darwin’s conception of natural selection. “In our field there is this presumption that the beak shape ...

In our complete guide to bird lifecycles, we lead you from nesting and hatching all the way back to the mating season.

At the Charlie Elliott Wildlife Center in Jasper County the other day, I nearly stumbled upon a killdeer plopped down on a swath of bare, gravel-covered ground. I quickly realized that the bird was ...

Of all the vertebrates on Earth—that is, animals with backbones—birds are the only ones that lay colorful eggs. Scientists are still unsure why, but new research brings us a step closer to finding out ...

SOUTHEAST WISCONSIN -- You might be noticing near your yard or home quite a few nests starting to be built. From mid-April through the end of May, most of Wisconsin's many bird species will be ...

The material a bird selects for its nest depends on the dimensions of its beak, according to researchers. Using data on nest materials for nearly 6,000 species of birds, a team based at the University ...