Plate: Heads of the adult males of the genus Icterus
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Heads of the adult males of the genus Icterus

Heads of the adult males of the genus Icterus

Lith. Britton & Rey, S.F.

C.A.K. del.

Icterus cucullatus

Icterus cucullatus nelsoni

Icterus bullocki

Icterus galbula

Icterus parisorum

Icterus spurius