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[7] [12] [13] The gray catbird is a migratory species. Spring migration ranges from March to May, and in the fall ranges from late August to November. [14] The catbird tends to avoid dense, unbroken woodlands, and does not inhabit coniferous, pine woodland. Catbirds prefer a dense vegetative substrate, especially if thorny vegetation is present.
Cattle egret, Bubulcus ibis — rarely seen; found in coastal waters in spring and summer; has been seen regularly nesting in the woody areas of the Norwalk Islands; a native of the Old World, the egret showed up in the 1880s, first in South America and by the 1940s had spread north to Florida and then along the East Coast [2]
They usually lay 2 to 5 eggs that hatch in 12 or 13 days, which is also the length of time the chicks stay in the nest. Breeding usually starts in the spring or early in the rainy season, and many species can have two or even three broods per year. Most failures to fledge young are due to predation.
Spotted catbirds have also been photographed attacking nests on the ground and have even been observed feeding nestlings taken from nests to their young. [27] In one study, the imprints from the bill closely resembled the marks on dummy eggs in 87.9% of the 66 nests depredated by birds. [ 28 ]
New World catbirds are two monotypic genera from the mimid family (Mimidae) of the passeridan superfamily Muscicapoidea. Among the Mimidae, they represent independent basal lineages probably closer to the Caribbean thrasher and trembler assemblage than to the mockingbirds and Toxostoma thrashers: [ 2 ]
Of them, 75 are classed as accidental, 11 are classed as hypothetical, and five have been introduced to North America. In addition to the 483, two species are extinct and one has been extirpated and are longer included in the official list. Another is not on the official list because it was not identified at the species level.
Tyrant flycatchers are Passerine birds which occur throughout North and South America. They superficially resemble the Old World flycatchers, but are more robust and have stronger bills. They do not have the sophisticated vocal capabilities of the songbirds. Most, but not all, are rather plain. As the name implies, most are insectivorous.
The taxonomic treatment [3] (designation and sequence of orders, families and species) and nomenclature (common and scientific names) used in the accompanying bird lists adheres to the conventions of the AOS's (2019) Check-list of North American Birds, the recognized scientific authority on the taxonomy and nomenclature of North America birds.