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Typically, the bluebirds build their nest in early April and can lay their clutch of eggs any time after that — laying one egg a day — then starting to incubate them after the final egg is laid.
The bluebirds are a North American [1] group of medium-sized, mostly insectivorous or omnivorous birds in the order of Passerines in the genus Sialia of the thrush family (Turdidae). Bluebirds are one of the few thrush genera in the Americas. Bluebirds lay an average of 4 to 6 eggs per clutch. They will usually brood two or three times in a year.
The black-capped chickadee is the state bird of Massachusetts. This list of birds of Massachusetts includes species documented in the U.S. state of Massachusetts and accepted by the Massachusetts Avian Records Committee (MARC). As of July 2023, there are 516 species included in the official list. Of them, 194 are on the review list (see below), six have been introduced to North America, three ...
They started egg-laying earlier, had higher nesting success and lower predation rates, and fledged more young in boxes than in cavities, but they did not have larger clutches of eggs. The eggs are commonly two to eight per clutch, with average size 20.8 mm × 16.2 mm (0.82 in × 0.64 in).
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Eastern bluebirds measure 16–21 cm (6.3–8.3 in) long, span 25–32 cm (9.8–12.6 in) across the wings, and weigh 27–34 g (0.95–1.20 oz). [12] [11] Male bluebirds have a bright head, back, and wings. Their breast is a brownish red. [12] Females are lighter with gray on the head and back and some blue on their wings and tail.
Female bluebirds that leave the nest more frequently expose their eggs to fluctuations in incubation time and temperature. This increases predation risk of these eggs and reduces incubation time, resulting in fewer eggs successfully hatching. [18] [19]
Tyler Hynes and Erin Krakow Getty Images (2) Hallmark stars Erin Krakow and Tyler Hynes have been a tight-knit duo ever since their 2021 movie, It Was Always You. The romantic comedy follows ...