Orange-crowned Oriole
Icterus auricapillus
The orange-crowned oriole is 18 to 20 cm (7.1 to 7.9 in) long. Males weigh an average of about 33 g (1.2 oz) and females an average of 32 g (1.1 oz). The sexes have the same plumage. Adults have an orange-red crown, nape, and sides of the head. The rest of their face and their throat, breast, mantle, upper back, and tail are black. Their lower back and rump are yellow and their rearmost uppertail coverts are black with thin yellow edges at the end. Their wing is mostly black with yellow lesser and median coverts that show as an epaulet on the closed wing. Voice: The orange-crowned oriole's song is "a loud, musical, whistled werr, chéet-your-kurr" and it also makes "a musical but slower, longer, rambling ser". Its calls are "a burry and complaining wheea" sharp ze'e't". When foraging it sometimes makes "a loud, clear whistled krEEEa".
ID text from Wikipedia, CC BY-SA 4.0
Puerto Rican Oriole
Icterus portoricensis
Males and females are similar in size and color. Males weigh about 41.0 grams and females weigh about 36.6 g. The average wingspan of males and females is 96.9 and 92.1 mm, respectively. In 2008, Hofmann, Cronin, and Omland, conducted a study that showed there is little color difference in the feathers between the males and females of many tropical orioles, including the Puerto Rican oriole. This means that males and females both have elaborate colors, in contrast many temperate-zoned birds have brightly colored males and dull colored females.
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Orange-crowned Oriole and Puerto Rican Oriole.