10,000 Birds

APRIL 5, 2022

per cent of individuals of a species at a given time” and a vagrant bird as a bird that shows up outside of this range (p. There are many more factors than I imagined: compass errors, wind drift, overshooting, extreme weather and irruptions, natural dispersal, and human-driven vagrancy. other compass senses like the stars?–and

Birds 263

Birds Compassion Eagles Science 263

10,000 Birds

MARCH 18, 2011

This species is not only usually the earliest, but the most common. What’s remarkable about this species is what we don’t see here: the extremely long migration that this species makes, with some individuals traveling from Sub-Saharan Africa to Greenland and back every year.

Cyprus 145

Cyprus 2011 Deer New York 145

10,000 Birds

MARCH 9, 2011

home about advertise archives birds conservation contact galleries links reviews subscribe Browse: Home / Birds / Beautiful Blue Backyard Bird Beautiful Blue Backyard Bird By Jochen • March 10, 2011 • 9 comments Tweet Share There is a lot of whining associated with colours and Europe’s birds. Nice piercing, dude!

2011 167

2011 Birds Deer Europe 167