This gallery contains 4 photos.
Social Signaling A book I received for Christmas got me interested in melanins in bird feathers. Melanins are pigments found in most organisms. Their chemistry is complex and their functions in many organisms are not understood. In birds they are … Continue reading
Tagged American White Pelican, Charadrius vociferus, Dark-eyed Junco, feather color, Junco hyemalis, killdeer, melanin, Melospiza melodia, natural history, Pelecanus erythrorhynchos, song sparrow
This gallery contains 3 photos.
Dark-eyed juncos (Junco hyemalis) feed mostly on seeds and insects. In winter the junco’s diet consists mostly of weed and grass seeds, while in the summer insects are added. Juncos forage mostly while hopping and running on the ground. … Continue reading
This gallery contains 2 photos.
In winter, dark-eyed juncos (Junco hyemalis) form flocks. When disturbed, the entire flock, in unison, flies into a tree. These little sparrows are very difficult to approach without the entire flock suddenly flying off. On a recent snowy and bitter … Continue reading
While watching the dark-eyed or “Oregon” juncos (Junco hyemalis) pick through the cracked corn Leonard throws out for the birds, only when the ground is covered in deep snow, I began to muse about these little birds. They summer across … Continue reading
Feathers require constant care! In order to maintain their plumage, birds “bathe” to clean their feathers and rid them of parasites. Where water is available, birds bathe in water. In arid regions dust replaces water for feather grooming. Many birds … Continue reading