gyrf-pefa comparison
IWRC Raptor ID Series
       
Gyrfalcon
 
Peregrine Falcon
 
       
  Adults          
 
gray head
less defined malar mark
 
black head
well defined malar mark
 
             
 
barring not uniform
on underwings
(primaries, secondaries or coverts may differ in darkness)

(photo needed)
 
uniformly barred underwing
 
             
             
  Juveniles          
 
 
(photo needed)
 
 
   
   
 
 
 
  Gyrfalcon Main Page          
  :Peregrine Falcon Main Page        
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