Crimson-rumped Toucanet
Aulacorhynchus haematopygus
The crimson-rumped toucanet is 40 to 45 cm (16 to 18 in) long. The nominate subspecies weighs 200 to 232 g (7.1 to 8.2 oz) and A. h. sexnotatus 141 to 200 g (5.0 to 7.1 oz). Their bill is brownish red and black with a vertical white line at the base; the nominate has a larger proportion of black than A. h. sexnotatus. Males and females have the same plumage but females have a shorter bill than males.
ID text from Wikipedia, CC BY-SA 4.0

Southern Emerald Toucanet
Aulacorhynchus albivitta
Like other toucans, the southern emerald toucanet is brightly marked and has a large bill. Adults are 33 to 38 cm (13 to 15 in) long and weigh about 160 to 230 g (5.6 to 8.1 oz). The sexes are alike in appearance although the female generally is smaller and shorter-billed. Their bill is black with a wide yellow stripe along its culmen and a white vertical strip at its base. Subspecies A. a. albivitta and A. a. phaeolaemus have some chestnut or maroon at the base of the culmen.
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: Crimson-rumped Toucanet and Southern Emerald Toucanet.