crissum การใช้

• The crissum ( the area around the cloaca ) is yellow with black barring.
• Abdomen, crissum, and loins white.
• The rump is bright yellow and the crissum ( the area around the cloaca ) is red.
• Females and juveniles are similar but lack the bill ornamentation and have a reddish-buff crissum area.
• Also, the crissum ( the area around the cloaca ) of the male is black and frequently has white spots.
• Their plumage is iridescent black with a white or rufous crissum ( the area around the cloaca ) and tail-tip, and their legs and bills are red.
• Two species have the black plumage enlivened by a red rump, five have a yellow rump and in some cases yellow on the shoulders or crissum ( the undertail coverts surrounding the cloaca ).
• It is the only " Crax " curassow where the male and female cannot be separated by plumage, as both are essentially black with a white crissum ( the area around the cloaca ), and have a yellow ( eastern part of its range ) or orange-red ( western part of its range ) cere.