This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
An ant walks across a Mission Blue larvae. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
A female Mission Blue butterfly rests on a yarrow plant located on the Southeast ridge of San Bruno Mountain, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the...
A male Mission Blue butterfly rests upon a Silver Bush Lupine (Lupinus albifrons). As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
A female Mission Blue butterfly lands on a patch of grass. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered Species Act.
This photo of a male Mission Blue butterfly was taken on the Southeast ridge of San Bruno Mountain, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S....
This image of a Mission Blue larvae was taken at Twin Peaks, Mission Ridge near San Francisco, California. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S. Endangered...
Purple lupines, habitat for the Mission Blue butterfly is seen here on the Southeast ridge of San Bruno Mountain. As of 14 December 2009, the 'mission blue Butterfly' (Icaricia icarioides missionensis) is listed as Endangered under the U.S....
