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 259

Birds Compassion Eagles Science 259

10,000 Birds

MARCH 6, 2011

If you’ve blogged about your weekend experience, you should include a link in your comment. On Sunday at Kissena Park I saw five species of sparrows. A mixed species flock of sparrows (american tree, field and chipping) was by the bike track parking lot. What was your best bird of the weekend? Thanks for visiting!

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2011 New York Deer Birds 154

10,000 Birds

MARCH 11, 2011

Other birds with webbed feet, including ducks and geese, have only three webbed toes; the hallux (which in birds is usually the “hind toe&# and in humans, the “big toe&# ) is free. Frigatebirds (Fregatidae) Five species of frigatebird ply the planet’s tropical skies and seas.

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2011 Pelicans Papua New Guinea Birds 152

10,000 Birds

MARCH 13, 2011

For Corey, this was a weekend without a single standout species but with many birds that were pretty darn neat. The Snow Geese at Jamaica Bay Wildlife Refuge will soon be winging their way north, so he spent some quality time with them, his best birds of the weekend. I suspect though that once we get past the Ides of March (beware!)

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2011 Deer Birds Owls 133

10,000 Birds

MARCH 6, 2011

Informed literature bears out my experience that most birds are seen singly or in pairs. Very interesting species. Share Your Thoughts « A long way from nowhere Domestic or Ganky Geese » To learn more about 10,000 Birds, Mike, Corey, or the many marvelous Beat Writers, please click here. Married to a Canon?

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2011 Deer India New York 181