Black-whiskered vireo           
Vireo altiloquus            
Identification Tips:
-  Thick bill with hooked upper mandible                                         
-  Sexes similar                                                                 
Adult:                                  
-  Red eye                                                                       
-  White supercilium bordered above by a dark line and below                     
by a dark eye line
-  Dark malar streak
-  Gray crown contrasts with olive-green back and upper wings                    
-  No wing bars                                                                  
-  White underparts                                                              
-  Yellowish cast to flanks and undertail coverts in fresh plumage               
-  Blue-gray legs
-  Range mostly restricted to Florida coasts
Juvenile:                               
-  Brown eye                                                                     
-  Yellower underparts than adult                                                
Similar species:                        
The Black-whiskered Vireo is most similar to the Red-eyed Vireo and can
be distinguished by its black malar streak.  Other vireos also lack the malar
streak and have different face patterns.