10,000 Birds

APRIL 5, 2022

There are many more factors than I imagined: compass errors, wind drift, overshooting, extreme weather and irruptions, natural dispersal, and human-driven vagrancy. The chapter on compass errors will probably be the most popular amongst birders who love to discuss reversal and mirror-image migration routes.

Birds 262

Birds Compassion Eagles Science 262

10,000 Birds

MARCH 19, 2011

Faustus’ opening monologue by heart as it is such an impressive chain of thoughts for anyone immersed in studying natural sciences. OpticsPlanet - Great prices on binoculars for birding , spotting scopes , telescopes , flashlights , compasses & more! Thanks for visiting!

2011 132

2011 Deer New York Science 132

10,000 Birds

MAY 19, 2011

It turns out that humans without compasses make no use of magnetic fields.) One way to organize these ponderous complexities is to refer to our Tinbergen. Annals of the New York Academy of Sciences, 1046 (1), 282-293 DOI: 10.1196/annals.1343.026 2 PIERSMA, T., PÉREZ-TRIS, J., MOURITSEN, H., BAUCHINGER, U., & BAIRLEIN, F.

Research 197

Research Humane Compassion New York 197

10,000 Birds

MARCH 4, 2011

Collectively, they’re referred to as the Herring Gull complex. References in original]: [T]he taxa regarded by Mayr as subspecies of these two are now regarded as distinct enough to be regarded as separate species. argentatus as reference. This wiki looks good too.] michahellis. michahellis Caspian gull L.

2011 157

2011 Cyprus Deer Species 157