Gull-billed Tern  
  (Gelochelidon nilotica)   		 1 2  
       Recorded by Paul Marvin on 2017-10-15
United States, Tijuana Slough NWR, trail from south end of 5th street, Imperial Beach, California
Comments: flight call.   in flight over drier parts of estuary     bird-seen:yes     playback-used:no       Citation: Paul Marvin, XC283547. Accessible at www.xeno-canto.org/283547.

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