Popular Posts
-
La foto delos 15, no mentiras la del documento de identidad, o certificado de votaciones Esta si es de colección, modelando para Dylan Ross...
-
Y ahora con Tristan Scott: Y ahora nuestros chicos de manera conjunta: ...
-
Bueno y ahora un recorrido especial (que bueno hacerlo en la piel de los chicos) por la historia fotográfica de ELIJAH y MILO.. Un amigo ...
-
Selected stories about culled from the world's newspapers and other news outlets, particularly as it relates to wild birds, as gathered ...
-
Charlie Vandergaw, a 70-year-old retired teacher, has been befriending bears (both black and grizzly) on his remote homestead north of Anch...
Monday, May 10, 2010
Drought, Beetles, Jays, and Nutcrackers in the American West
From the Cornell Lab of Ornithology’s Project FeederWatch comes a fascinating tale about how Pinyon Jays and Clark’s Nutcrackers dispersed widely in the winter of 2002-2003 in response to a protracted drought that had prevailed in the southwestern U.S. since about 1999. The drought, in combination with infestations of native beetles that resulted in the widespread loss of Pinyon Pines, a valuable food source, caused the birds to wander in search of alternative foods.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment