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The specific species can then be distinguished by certain features, such as the size and colour of the head, neck, back and bill. But reliable identification of loons in winter is often difficult even for experts – particularly as the smaller immature birds look similar to winter-plumage adults, making size an unreliable means of identification.
The common loon or great northern diver (Gavia immer) is a large member of the loon, or diver, family of birds. Breeding adults have a plumage that includes a broad black head and neck with a greenish, purplish, or bluish sheen, blackish or blackish-grey upperparts, and pure white underparts except some black on the undertail coverts and vent.
Common loon. Order: Gaviiformes Family: Gaviidae. Loons are aquatic birds the size of a large duck, to which they are unrelated. With mostly black plumage and spear-shaped bills, loons swim well and fly adequately, but because their legs are placed towards the rear of the body, are clumsy on land. Four species of loons have occurred in Georgia.
Common loon. Order: Gaviiformes Family: Gaviidae. Loons are aquatic birds the size of a large duck, to which they are unrelated. Their plumage is largely gray or black, and they have spear-shaped bills. Loons swim well and fly adequately, but, because their legs are placed towards the rear of the body, are extremely poor at walking.
Gaviiformes (/ ˈ ɡ æ v i. ɪ f ɔːr m iː z /) is an order of aquatic birds containing the loons or divers and their closest extinct relatives. Modern gaviiformes are found in many parts of North America and northern Eurasia (Europe, Asia and debatably Africa), though prehistoric species were more widespread.
Common loon. Loons are aquatic birds, the size of a large duck, to which they are unrelated. Their plumage is largely gray or black, and they have spear-shaped bills. Loons swim well and fly adequately, but are almost hopeless on land, because their legs are placed towards the rear of the body. Red-throated loon, Gavia stellata
The yellow-billed loon is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies; [12] in the Americas, it is protected by the Migratory Bird Treaty Act of 1918. [13] The yellow-billed loon is especially vulnerable because of its low fecundity, and face many threats related to their ...
The Pacific loon, previously considered conspecific with the similar black-throated loon, was classified as a separate species in 1985. [2] [3] The genus name Gavia comes from the Latin for "sea mew", as used by ancient Roman naturalist Pliny the Elder. [4] The specific epithet pacifica is Latin for the Pacific Ocean, the term meaning "peaceful ...