Black-breasted Wood Quail
Odontophorus leucolaemus
The black-breasted wood quail is a medium-sized species of New World quail, being 22–25.5 cm (8.7–10.0 in) in length and weighing on average 286 g (10.1 oz) for females and 300 g (11 oz) for males. Although males are larger than females, the sexes are otherwise similar and can not visually be distinguished.
ID text from Wikipedia, CC BY-SA 4.0
Marbled Wood Quail
Odontophorus gujanensis
Adult marbled wood quails grow to a length of between 23 and 29 cm (9 and 11 in). The bill is stout and dark-coloured and the legs and feet are bluish-grey. The iris of the eye is brown and there is orange or red bare skin around the eye. The sexes are similar in appearance; the front of the crown and cheeks are reddish-brown and the dark brown, vermiculated feathers on the crown are ruffled to form a short, loose crest. The mantle and neck are greyish-brown, the back and wings are brown with black vermiculations and the rump and upper-tail coverts are indistinctly spotted with paler colour.
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-breasted Wood Quail and Marbled Wood Quail.