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s 



Upper Figures— CHESTNUT-BACKED BLUEBIRD 



Order — Passeres Family — Turdid^e 



Genus — Sialia Species — Mexicana 



Subspecies — Bairdi 

 Lower Figures— BLUEBIRDS 

 Order — Passeres Family — Turdid^ 



Genus — Sialia Species — Sialis 



