MOURNING WARBLER 



Male. Crown black, becoming grayish on 

 back of head and separated by a yellow line 

 (which curves around the eye behind) from a 

 broad black stripe extending from the base of 

 the bill down the side of the neck; remaining 

 upper parts olive green; under parts bright 

 yellow shaded with olive on the sides. No 

 wing bars; no white on tail. 



Female and young. Similar but duller colored, 

 the black replaced by obscure dusky or wanting 

 entirely. 



A migrant; Jewel reports one from Gatun. 



17. Oporornis Philadelphia (Wilson) 

 Mourning Warbler 



Length, 121 mm. (4.75 in.); tail, 48 mm. 

 (1.90 in.). 



Male. Head and neck slate gray, the throat 

 mixed with black, becoming entirely black on 

 chest, in abrupt contrast to the canary yellow of 

 remaining underparts; remaining upper parts, 

 wings and tail olive green. No white eye ring. 



Female. Similar to male but head and chest 

 smoky gray without any black, throat paler; an 

 indistinct grayish eye ring. 



Young. Similar to female, but throat more 

 or less yellow, some dusky on chest, a grayish or 

 whitish eye ring. 



A migrant; Jewel reports it from Gatun. It 

 frequents low bushes, preferring the vicinity of 

 water. 



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