lunedì 5 ottobre 2015

NYT Science: Some Canada Geese Are Losing Migratory Instincts

Some Canada Geese Are Losing Migratory Instincts
By C. CLAIBORNE RAY

Year-round populations of the birds are establishing themselves in areas far south of their original territories.

Published: October 6, 2015 at 06:00AM

via NYT Science http://ift.tt/1hl3idH