How many days does it take for the yellow waist willow ying to hatch eggs

It takes 10-11 days to incubate eggs in the yellow waist.This bird breeding will fly to the breeding place, and the elevation of the breeding ground is relatively high, generally between 2700 meters and 2900 meters.It has been pairing since May, usually chasing and shaking, after success, it will become right activities, and then choose the appropriate plant for the nesting.After setting up the nest, it usually produces eggs every one or two days, and one day is produced, usually out of the time near noon.