Attract them to your yard with a hummingbird feeder that stores nectar, or plant flowers such as bee balm, hostas, petunias, ...

• Cowbird: Number of eggs not really known because female parasitizes other nests, laying a single egg in the unfortunate host bird’s nest. Some surprises here are tree swallows, which are cavity ...

A catbird was skulking around the forsythia in my backyard this morning, but she was stealthy enough to keep their nest a ...

A catbird was skulking around the forsythia in my backyard this morning, but she was stealthy enough to keep their nest a ...

Discover nature this week with nest eggs in Missouri. Bird eggs sport an amazing variety of sizes, colors, and shapes. Their colors could fill an artist’s palette, from robin's egg blue to a ...

The next time I checked our finch nest, I was surprised to find the cowbird egg was gone, as was one of the finch eggs, leaving just three finch eggs in the nest. The intrusive cowbird youngster ...

This purple finch nest with four finch eggs and one from a brown-headed cowbird, a notorious brood parasite. Photo courtesy of Tom Tatum ...

The next time I checked our finch nest, I was surprised to find the cowbird egg was gone, as was one of the finch eggs, leaving just three finch eggs in the nest. The intrusive cowbird youngster ...

While most host species are unable to distinguish cowbird eggs from their own, some do. Larger species are often able to puncture the cowbird egg or nudge it out of the nest.

Robins can identify a parasitic cowbird egg, even when it’s 3-D printed to perfection. Scientists placed 3-D-printed cowbird and robin eggs (top left and right) in a robin's nest to see if the birds ...

Discover how long baby birds stay in the nest, how long it takes bird eggs to hatch, how baby birds learn to fly and more ...

Occasionally, brown-headed cowbirds will target American robins and lay their eggs inside a robin’s nest. However, few cowbird eggs ever hatch, as American robins frequently reject cowbird eggs.