Blue Feathers Naturally Curious with Mary Holland

The colors in the feathers of a bird are formed in two different ways, from either pigments or from light refraction caused by the structure of the feather. Red and yellow feathers get their color from actual pigments (carotenoids) that come from the bird’s diet. Blue, however, is a structural color, created by the way…

Mary Holland Naturally Curious with Mary Holland

Audubon Society of the Capital Region

Great Blue Heron Naturally Curious with Mary Holland

nature writing, wondermyway

Great Blue Herons Renovating & Building Nests

The Eternal Seductive Beauty of Feathers

Otis the Owl

Naturally Curious: A Photographic Field Guide and Month-by-Month Journey Through the Fields, Woods, and Marshes of New England: Holland, Mary: 9781570764257: : Books

Small Birds Beware of Sharp-shinned Hawks

Blue Feathers Naturally Curious with Mary Holland

Everything You Wanted to Know About the Barn Owl - PetHelpful