down feathers

September 27, 2010

Adult Eagles in Nest Tree Sept 27, 2010

Both of the adult bald eagles were in the nest tree early this morning, Sept 27, 2010. I believe the male – back branch – was […]
March 22, 2010

Crop, Ears, Feather Tracts

Photo 1 – The Crop – Every day the question is asked “What is the crop?” In short it is a pantry or storage area below […]
March 18, 2010

Down and Thermal System

In our world of animals, only birds grow feathers. Most birds are hatched with feathers called down, also known as plumulaceous. That is what we see […]