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(C) Casual - a species that is irregularly found in New England but is not particularly rare (R) Review list - birds that if seen require more comprehensive documentation than regularly seen species. These birds are considered irregular or rare in New England, rare can range from one bird seen in New England to a few hundred. [1]
Falconidae is a family of diurnal birds of prey and includes caracaras, laughing falcon, forest falcons, falconets, pygmy falcons, falcons and kestrels.They are small to medium-sized birds of prey, ranging in size from the black-thighed falconet, which can weigh as little as 35 grams (1.2 oz), to the gyrfalcon, which can weigh as much as 1,735 grams (61.2 oz).
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 ...
Birds of prey or predatory birds, also known as (although not the same as) raptors, are hypercarnivorous bird species that actively hunt and feed on other vertebrates (mainly mammals, reptiles and other smaller birds).
The smallest species of eagle is the Great Nicobar serpent eagle (Spilornis klossi), at 450 g (1 lb) and 40 cm (16 in). The largest species are discussed below. Like all birds of prey, eagles have very large hooked beaks for ripping flesh from their prey, strong, muscular legs, and powerful talons.
The International Ornithological Committee (IOC) recognizes these 265 species of Accipitriformes distributed among four families. Among them is the family Cathartidae (New World vultures) which the American Ornithological Society (AOS), the Clements taxonomy , and BirdLife International 's Handbook of the Birds of the World place in its own ...
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.
Other prey species of that time evolved more rapidly (like M. malei, the presumed ancestor of today's tundra vole M. oeconomus), while yet again others seem to have gone entirely extinct without leaving any living descendants—for example Pliomys lenki, which apparently fell victim to the Weichselian glaciation about 100,000 years ago.