![]() The swifts are small birds which spend the majority of their lives flying. Eastern whip-poor-will, Antrostomus vociferus.Chuck-will's-widow, Antrostomus carolinensis.Three species have been recorded in Iowa. ![]() Their soft plumage is cryptically colored to resemble bark or leaves. Most have small feet, of little use for walking, and long pointed wings. They have long wings, short legs, and very short bills. Nightjars are medium-sized nocturnal birds that usually nest on the ground. Order: Caprimulgiformes Family: Caprimulgidae Black-billed cuckoo, Coccyzus erythropthalmus.Yellow-billed cuckoo, Coccyzus americanus.Groove-billed ani, Crotophaga sulcirostris (A).These birds are of variable size with slender bodies, long tails, and strong legs. The family Cuculidae includes cuckoos, roadrunners, and anis. Red-breasted merganser, Mergus serrator.Hooded merganser, Lophodytes cucullatus.Barrow's goldeneye, Bucephala islandica (A).White-winged scoter, Melanitta deglandi.Harlequin duck, Histrionicus histrionicus (C).Greater white-fronted goose, Anser albifrons.Fulvous whistling-duck, Dendrocygna bicolor (A).Black-bellied whistling-duck, Dendrocygna autumnalis (C).(Ex) Extirpated - a species no longer found in Iowa but which continues to exist elsewhere.(E) Extinct - a recent species that no longer exists.(I) Introduced - Species established in North America as a result of human action.(C) Casual - "seen many years but not all, at least 3 and less than 9 of last 10 years" per the IOU.(A) Accidental - "seen once to several times, but less than 4 of last 10 years" per the IOU.The following codes are used to designate some species: Common and scientific names are also those of the Check-list, except that the common names of families are from the Clements taxonomy because the AOS list does not include them. This list is presented in the taxonomic sequence of the Check-list of North and Middle American Birds, 7th edition through the 62nd Supplement, published by the American Ornithological Society (AOS). This means that birds that are considered probable escapees, although they may have been sighted flying free in Iowa, are not included. Only birds that are considered to have established, self-sustaining, wild populations in Iowa are included on this list. Of them, 90 are classed as accidental, 28 are classed as casual, eight have been introduced to North America, three are extinct, and one has been extirpated. As of January 2023, there are 433 species included in the official list. state of Iowa and accepted by the Iowa Ornithologists' Union (IOU). This list of birds of Iowa includes species documented in the U.S. The female carries out most of the incubation of the white eggs, but the male performs this duty from time to time.The American goldfinch is the state bird of Iowa. At the start of the breeding season, the nest is lined with fresh green leaves and twigs. The nest can be located in a tree up to 30m above the ground, but may also be placed on the ground or on rocks, where there are no suitable trees. White-bellied Sea-Eagles build a large stick nest, which is used for many seasons in succession. CommunicationÄistinctive loud "goose-like" honking call, which is heard particularly during the breeding season. Sea-Eagles feed alone, in pairs or in family groups. They harass smaller birds, forcing them to drop any food that they are carrying. Sea-Eagles also feed on carrion (dead prey) such as sheep and fish along the waterline. It is a skilled hunter, and will attack prey up to the size of a swan. The White-bellied Sea-Eagle feeds mainly off aquatic animals, such as fish, turtles and sea snakes, but it takes birds and mammals as well. In addition to Australia, the species is found in New Guinea, Indonesia, China, south-east Asia and India. White-bellied Sea-Eagles are a common sight in coastal and near coastal areas of Australia. Birds form permanent pairs that inhabit territories throughout the year. White-bellied Sea-Eagles are normally seen perched high in a tree, or soaring over waterways and adjacent land. Young Sea-Eagles are brown as juveniles than slowly become to resemble adults in a patchwork manner, acquiring the complete adult plumage by their fourth year. As in other raptors (birds of prey), Males (2.5 kg - 3.7 kg) are slightly smaller than females (2.8 kg - 4.2 kg).The wingspan is about 1.8 m - 2 m. The legs and feet are cream-white, with long black talons (claws). The large, hooked bill is grey with a darker tip, and the eye is dark brown. In flight the black flight feathers on the wings are easily seen when the bird is viewed from below. The White-bellied Sea-Eagle has white on the head, rump and underparts and dark grey on the back and wings. The White-bellied Sea-Eagle has a wingspan of 1.8m - 2m.
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