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[13] as well as range expansions of many other species of birds. [14] [15] [16] From 1966–2015 the eastern bluebird experienced a greater than 1.5% annual population increase throughout most of its breeding and year-round ranges, with exceptions including southern Florida and the Ohio River valley. [17]
The eastern bluebird is the state bird of Missouri. This list of birds of Missouri includes species documented in the U.S. state of Missouri and accepted by the Missouri Birding Society (MBS). As of July 2021, there are 437 species included in the official list. [1]
North of the Missouri River, the state is primarily rolling hills of the Great Plains, whereas south of the Missouri River, the state is dominated by the oak-hickory Central U.S. hardwood forest. Some of the native species found in Missouri are included below. [1] [2]
The ruby-throated hummingbird is the only species of hummingbirds that breeds in the eastern U.S. and Iowa, Thomas said. They are just one of about 350 known species of hummingbirds in North and ...
The species is one of the first North American birds to lay eggs, and normally has two to three broods per breeding season, which lasts from April to July. [16] The nest is most commonly located 1.5–4.5 m (4.9–14.8 ft) above the ground in a dense bush or in a fork between two tree branches, and is built by the female alone.
Some species begin incubation with the first egg, causing the young to hatch at different times; others begin after laying the second egg, so that the third chick will be smaller and more vulnerable to food shortages. Some start to incubate after the last egg of the clutch, causing the young to hatch simultaneously. [10] Incubation periods for ...
Incubation lasts 15–16 days and the female is the main incubator, with some help from the male. Hatching occurs over the course of two to three days. Fledging, when the young leave the nest, occurs between 26 and 32 days after hatch day. Fledglings will continue to receive care from both parents for up to a month after fledging.
Threats to the nest and chicks included a planned music festival that was canceled to ensure the birds were protected. [38] Monty and Rose returned to the area in 2020 and 2021, again laying eggs and hatching chicks, although some eggs and chicks were lost to natural predators. [39]