Crested Quetzal
Pharomachrus antisianus
Adult birds are 33–34 cm (13–13+1⁄2 in) long. The head and upperparts of the adult male are metallic green, while its breast and belly are red. Alone among the quetzals, the male has a short crest above its short bill, which is orange. The vent is white. Females have brown heads and upper breast and no crest.
ID text from Wikipedia, CC BY-SA 4.0

Resplendent Quetzal
Pharomachrus mocinno
The resplendent quetzal is the largest trogon. It is 36 to 40 cm (14–16 in) long; in the nominate subspecies, the tail streamers measure between 31 cm (12 in) and 100.5 cm (39.6 in), with the median being 75 cm (30 in) for males. The nominate subspecies weighs about 210 g (7.4 oz), while the subspecies costaricensis is slightly smaller than the nominate race, with shorter wings and bills. The tail plumes are shorter and narrower, measuring between 32 cm (13 in) and 86 cm (34 in), with the median being 63 cm (25 in).
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: Crested Quetzal and Resplendent Quetzal.