Unicolored Jay Aphelocoma unicolor



Distinguishing Characteristics

33 - 35.5 cm. Bill strong, robust, black. Feathers strong and rigid, similar to bristles that cover the nasal orifices. Overall deep blue to purplish blue. Sides of head and throat darker. Wings rounded. Tail rounded. Legs strong, robust, black. Males and females are similar. Juveniles have the bill yellow, quickly becomes black; head and body sooty gray; wings and tail duller than adult.

Similar Species

Azure-hooded Jay (Cyanolyca cucullata) is smaller, has the crown and nape sky blue, with edged white; also differ in voice. Black-throated Jay (Cyanolyca pumilo) is smaller, has a narrow white eyebrow meet across forehead; also differ in voice.

Detailed Description

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Recommended Citation

Unicolored Jay (Aphelocoma unicolor), In Neotropical Birds Online (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. retrieved from Neotropical Birds Online: https://neotropical.birds.cornell.edu/Species-Account/nb/species/unijay1