Brown Jay
Cyanocorax morio
Brown jays vary in plumage geographically: there are two main groups. Northern birds are almost completely dark brown, with lighter brown on the underparts. Southern birds are white-bellied and have bright white tips to the outer tail feathers. The intergrade zone is in Veracruz, Mexico. Adults in both populations have black bills, legs, and feet. Immatures have yellow bare parts, including yellow eye-rings. The voice is a loud but low-pitched pee-ah call and is often modified to suit its situation or mood.
ID text from Wikipedia, CC BY-SA 4.0
White-throated Magpie-Jay
Cyanocorax formosus
The white-throated magpie-jay is between 43 and 56 cm (17–22 in) in length and weighs 205 to 213 g (7.2–7.5 oz). The species has a particularly long tail and a slightly curved crest of feathers on the head. The crest is black in the nominate race, but has blue or white margins on the other two subspecies. The nominate race has a white face with a black crown and margin to the face, forming a narrow band around the throat, as well as a small drop below the eye. The black is less extensive in the other subspecies.
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: Brown Jay and White-throated Magpie-Jay.