Popular Posts
-
Y ahora con Tristan Scott: Y ahora nuestros chicos de manera conjunta: ...
-
La foto delos 15, no mentiras la del documento de identidad, o certificado de votaciones Esta si es de colección, modelando para Dylan Ross...
-
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 ...
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