They recorded data and banded hatchlings. Many of the farm bluebirds wintered over, and the first bluebird egg is usually laid on the third week of April. From 2002 to 2019 over 1,500 birds have ...

"When do bluebirds nest, and how many times can bluebirds nest in one year? I have one bluebird house that is being used for the third time this year. The first brood had six eggs and the second nest ...

Eastern Bluebird: Similar to the American Robin, Eastern Bluebirds lay bright blue eggs that are quite striking. Bowerbird: Males of this species collect colorful objects to attract females, and their ...