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PA Atlas
Pennsylvania Bird Atlas Pennsylvania’s Bird Atlas (PBA3) is a statewide inventory of birds breeding and overwintering in the state. This will be PA’s 3rd atlas, following atlases conducted in the […]
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WRS
Winter Raptor Survey Jan 14 to Feb 8 (same dates every year) The WRS monitors winter raptor populations by conducting roadside surveys in mid-winter. Participants create their own route in their […]
