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The average global population of all mature birds is estimated to be on the order of 100 billion individuals. [1] [2] [3] The total population including younglings is somewhat higher during the breeding season of each species. [3] This list is incomplete, because experts have not estimated all bird numbers.
The red-breasted meadowlark is a small icterid, 19 cm (7.5 in) long and weighing 40–48 g (1.4–1.7 oz). Males are larger than females. The male has mainly black plumage, apart from a bright red throat, belly and wing epaulets.
The species has an extensive range, estimated at 16,000,000 km 2 (6,200,000 sq mi), and a large population of about 370 million individuals. The western subspecies ( T. m. propinquus ) in central California is considered to be expanding its range, as is likely the case elsewhere in the United States. [ 10 ]
The larger American robin (Turdus migratorius) is a much larger bird named from its similar colouration to the European robin, but the two birds are not closely related, with the American robin instead belonging to the same genus as the common blackbird (T. merula), a species which occupies much of the same range as the European robin. The ...
The icterids are a group of small to medium-sized, often colorful passerine birds restricted to the New World and include the grackles, New World blackbirds, and New World orioles. Most species have black as a predominant plumage color, often enlivened by yellow, orange, or red. Sixteen species have been recorded in Nevada.
Known scientifically as Ardea humbloti, the Madagascar heron was added to the red list in 2016 following a review of the population’s size at the time.A team assessed the species for inclusion ...
The red-winged blackbird (Agelaius phoeniceus) is a passerine bird of the family Icteridae found in most of North America and much of Central America. It breeds from Alaska and Newfoundland south to Florida, the Gulf of Mexico, Mexico, and Guatemala, with isolated populations in western El Salvador, northwestern Honduras, and northwestern Costa Rica.
Range Size and ecology IUCN status and estimated population Red-breasted meadowlark (formerly red-breasted blackbird) Male Female Leistes militaris (Linnaeus, 1758) south-western Costa Rica, and Trinidad, south to north-eastern Peru and central Brazil: Size: Habitat: Diet: LC White-browed meadowlark (formerly white-browed blackbird) Male Female