Collaborative list – April 2022
10,000 Birds
MAY 7, 2022
In April 2022, the Collaborative submitted 216 checklists from 4 countries ( Costa Rica , United States , Mexico , and the United Kingdom ) and observed 735 species. The 2022 year list stands at 1,023, and the life rises by a single species ( Great Swallow-tailed Swift seen in Mexico) to 4,114.
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