Eastern bluebirds are very social birds. At times, they gather in flocks of a hundred or more. However, they are territorial during the breeding season and may continue to defend a feeding area throughout the winter. Mating occurs in the spring and summer. A mature female typically raises two broods each season. Nests are constructed in trees within abandoned woodpecker holes or other cavities that provide adequate protection (usually several feet above ground). Construction of the nest is done primarily by the female and takes around 10 days to complete. These nests are small, cup-like structures lined with grass, feathers, stems, and hairs. Each female lays three to seven light-blue or, rarely, white eggs. The female incubates the eggs, which hatch after 13 to 16 days. The young cannot care for themselves upon hatching. The female broods the chicks for up to seven days after hatching. Fledglings then leave the nest 15 to 20 days after hatching.

First Sighting of Year

Monday, March 30, 2015 1135 Lady St Columbia SC United States
Saturday, January 2, 2016 101€“199 Burnett Rd Freeport ME United States
Sunday, January 1, 2017 1101 Shore Rd Cape Elizabeth ME United States
Thursday, January 25, 2018 21€“107 S Dyer Neck Rd Newcastle ME United States
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