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In a few species, the female submerges and places the eggs among plants or in crevices underwater, but in general, they sink to the bottom. The incubation time is variable, depending at least in part on temperature, and may be anything from a few days to nearly a year.
addled eggs Also, wind eggs; hypanema. [5] Eggs that are not viable and will not hatch. [6] See related: overbrooding. afterfeather Any structure projecting from the shaft of the feather at the rim of the superior umbilicus (at the base of the vanes), but typically a small area of downy barbs growing in rows or as tufts.
The eggs are pure white, slightly rough and not glossy, and oval in shape. [7] In 157 eggs, the length of the egg could measure from 42.5 to 55.5 mm (1.67 to 2.19 in) while the diameter could range from 37.5 to 45.3 mm (1.48 to 1.78 in), with a mean of 50.6 mm × 43.3 mm (1.99 in × 1.70 in).