The Importance of Citizen Science in Mexico
10,000 Birds
SEPTEMBER 23, 2020
For example, when Corey gets the thrill of seeing a Black-throated Gray Warbler in Queens County, New York, he can be almost 100% sure that he is seeing a one-time vagrant, and not a previously undiscovered population. These are only a few examples of the many I could mention. They were probably not preparing to go south.
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