Male pelicans pick out the nesting sites and perform an "advertising" display which attracts the females. Once a pair forms a bond, overt communiction between them is minimal. Pelican nesting peaks during March and April; nests are in colonies either in trees, bushes, or on the ground. Those placed in trees are made of reeds, grasses, straw, and sticks; if on the ground, nests consist of a shallow scrape lined with feathers and a rim of soil built 4-10'' above the ground. Brown Pelicans lay 2-3 chalky white eggs. Incubation is about 28-30 days; young walk out of the nests on the ground about 35 days after hatching but do not leave treetop nests until about 63 -88 days for their first flight.
Average time to hatching: 29 days.
Average eggs per season: 2.
Average age at sexual or reproductive maturity (male)
Sex: male: 730 days.
Average age at sexual or reproductive maturity (female)
Sex: female: 730 days.
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