Time Of Departure by Summer Tanagers (Piranga rubra) from a Stopover Site Following Spring Trans-Gulf Migration

Summer Tanager (Piranga rubra) Science Article 1

abstract

Nocturnal passerine migration typically commences within an hour of sunset and the bulk of migrants depart before the end of nautical twilight.

FRANK R. MOORE AND DAVID A. ASORN, The Auk 113(4):949-952, 1996

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