Younger birds light grey, the feathers white on the edges; the bill and cere light blue, the feet greyish-blue.
The eye is bright yellow, as is the cere or base of the beak.
Its cere and feet were yellow, and the circle of its eyelids a bright yellow.
Nostrils at the fore part of the cere, roundish, separated by an oblique partition.
Let the sound of this ce and kj undergo a change, and become ksh; kjre and cere, being pronounced kshre.
Bill black, the cere or membrane at its base black, accompanied by whitish whiskers.
From the angle of the mouth to the eye there is a small naked ‘cere,’ of a bright yellow colour.
cere and feet yellow; bill light blue at the base, black at the tip, in all the American species.
Space in front of eye, bare except for stiff hair-like bristles, yellowish like the cere.
Bill bluish-black, cere yellowish-brown, feet orange-yellow, claws bluish-black.
late 15c., from French cire "wax" (12c.), from Latin cera "wax, wax seal, wax writing tablet," related to Greek keros "beeswax," of unknown origin.