BirdSong ID dedicated to the study of birds and their songs

Kentucky Warbler
Songs from different years. 

 
2012:  Typical Song
KEWA A -V1 June, 2010 1 variant end note  
KEWA B -V3 May, 2011 3 variant end notes

iPhone
KEWA C -V1 June, 2011 1 variant end note iPhone
KEWA C & B June, 2011    
 
KEWA B-V3:   May, 2011
  
BirdSongID.com

Other KEWA  audio:  June 2010   June 2011

Kentucky Warbler Video
Bat's Bytes

Black-and-White Warbler audio

 Black-and-White Warbler Video
Media List

Blackpoll audio

 Blackpoll video
KEWA A-V1:   June, 2010  
KEWA C-V1:   June, 2011  

The Kentucky song seen and heard here is similar to that of the  Kentucky recorded a year earlier, in June 2010.  (See above) This may be the same bird. 

     
KEWA typical:   May 13, 2012  

  This Kentucky was secretive, very difficult to see, and almost impossible to photograph.  This is the song given in BNA
  as the 'typical primary' song.  (See reference below.)

Compare to Figure 3 in: Mcdonald, Mary Victoria. 1998. Kentucky Warbler (Geothlypis formosus), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/324doi:10.2173/bna.324