Wild Neighbors: The Strange Case of the Sickle-billed Chickadees
There’s a web site that compiles observations posted to birding newsgroups all over California; I try to check it out every couple of days. That’s how I heard about the deformed raven in Redwood City. On March 7, Ken Schneider noticed a raven with “a pronounced bill deformity,” “greatly elongated and decurved,” eating cat food on the sidewalk near his garage. Schneider thought this was noteworthy because he was aware of a recent phenomenon first described in Alaska but now documented in British Columbia and Washington State as well: a growing incidence of birds with misshapen beaks. -more-