swallow

Tree Swallow nests—a truly feathery feature

Tree Swallow nests—a truly feathery feature

The telltale sign of a Tree Swallow nest is often feathers. In some cases, there are so many feathers, you can’t even see the underlying nest structure of dry grass or pine needles.

Photo by Gary Shackelford

Birds of an unusual feather

Birds of an unusual feather

Leucism is a condition caused by a genetic mutation that results in the loss of all types of pigmentation—the affected areas can be either entirely white or a pale, washed out shade of the expected coloration.

Photo by Gary Shackelford