Black-collared Jay
Cyanolyca armillata
The black-collared jay is 30 to 32 cm (12 to 13 in) long and weighs about 100 g (3.5 oz). The sexes have the same plumage. Adults of the nominate subspecies C. a. armillata have a violaceous-blue crown and nape. Their forehead, lores, and sides of the head are black. Their throat and middle of the upper breast are ultramarine with a thin black border that connects to the rear of the black face. Most of the rest of their plumage is cyan-blue. The inner edges of their primaries are dark brown and the undersides of their wings and tail are blackish. Subspecies C. a. Voice: The black-collared jay has a large repertoire of vocalizations which are generally "short and often musical notes, including ‘falsetto’ notes". They include "a rising, almost twanging hrwee, various shrill rising and falling notes, a sharp, stuttered jet-jtjtjtjt, a low guttural wowr, and a soft, liquid craa schree, in alarm a sharp staccato upward-inflected reek!
ID text from Wikipedia, CC BY-SA 4.0
Turquoise Jay
Cyanolyca turcosa
There exists no sexual dimorphism within the species. Adult turquoise jays are mainly a vibrant, blue-green color that can change depending on the lighting. The underside of the wings and tail are black. The turquoise jay has a thick, black face mask that extends to the auriculars and connects to a thin, black collar the wraps around the throat but does not extend around the nape of the neck. The forecrown of the turquoise jay is very light and almost white in color. The iris of the bird is brown while the legs, feet, and bill are all black.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Black-collared Jay and Turquoise Jay.