Philadelphia Vireo  
  (Vireo philadelphicus)  
  
       Recorded by Andrew Spencer on 2017-10-14
Canada, Pink Mountain Road, British Columbia
Comments: call.   natural vocalization; calls during an in-flight chase from two birds at mid-height in a tall aspen grove with a dense understory.     bird-seen:yes     playback-used:no       Citation: Andrew Spencer, XC189419. Accessible at www.xeno-canto.org/189419.

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