The eggs are incubated for four weeks by the female.

The eggs are incubated by the female for 12 to 13 days.

Eggs are incubated by the female for 12 or 13 days.

The eggs are incubated only by the female for about 15 days.

Eggs are incubated by the female for 21 to 23 days.

The female alone incubates the eggs, over a period of 16 or 17 days.

They are incubated for 22 to 23 days, mainly by the female.

These are incubated by the female alone, and hatch in 11 to 12 days.

The eggs are incubated mostly by the female for 31 to 32 days.

The clutch is incubated by the female for 10 to 13 days.