Canada Compassion Hunters Science 
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.
10,000 Birds
MARCH 14, 2011
Kills in Canada, Alaska and Mexico are not included in the count. Nationwide, wildlife watchers now outspend hunters 6 to 1. Giving a few hundred hunters something else to shoot, in my opinion, cannot be worth the blowback from tens of thousands of people who are willing to travel and spend just to watch the birds fly over.
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