This bird made ... They occur in light and dark (rare) morphs, females are slightly larger than males, juveniles different from adults. Polytypic (6 ssp.; nominate in North America).

There are currently 18 Bluebird Trails with 400 nest boxes, many on farm and ranch lands surrounding the city. Each trail has ...

A study led by scientists from the American Museum of Natural ... This study confirms his theory, showing that these birds glow under both blue and UV light. Not all birds exhibit biofluorescence.

Bird flu has devastated poultry and dairy farms, and sent the price of eggs soaring in the United States since it was first detected in North America in late 2021. But what has been the toll on wild ...