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ICTERUS AUDUBONII 



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Entire head, throat and foreneck black, with a few points of black extending on 

 the breast ; lower plumage yellow, wings and tail black, third and fourth quill 

 equal and longest, second and fifth about equal, sixth longer than the third ; pri- 

 maries attenuated on the outer webs, margined with white ; secondaries edged 

 with yellowish- white ;■ back, rump and upper tail-coverts greenish-yellow ; latter- 

 al tail-feathers short, middle feathers longest. Length 8 5-8, wing from flexure 4 

 inches, tarsus 1 inch, acute behind, bill along the ridge 10-12, gap 11-12, middle 

 toe and claw 11-12. 



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