If you find half of a blue or white eggshell, it probably came form a robin or mourning dove. The parents drop the shells away from the nest to keep animals that eat eggs and hatchlings from finding the nest. Amazing Eggzibit Eggzibit is a collection of eggs from more than 90 different Minnesota bird species. You ll find it in the DNR building at the State Fair in St. Paul every summer. Growing Up Feeding and caring for young birds is hard work for their parents .
Baby birds grow very fast because they eat a lot.
Trumpeter swan cygnets eat as much as 20 pounds of aquatic plants every day. Eastern bluebird and purple martin parents catch hundreds of insects each day to feed their young. Songbirds fly back to the nest with food every few minutes from sunup to sundown. A female wren made 1,217 trips to her nest in just 16 hours. The time when the chicks leave the nest is called fledging .