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The jacanas (sometimes referred to as Jesus birds or lily trotters) are a group of tropical waders in the family Jacanidae. They are found in the tropical regions around the world. They are noted for their elongated toes and toenails that allow them to spread out their weight while foraging on floating or semi-emergent aquatic vegetation.
Grebes (/ ˈ ɡ r iː b z /) are aquatic diving birds in the order Podicipediformes (/ ˌ p ɒ d ɪ s ɪ ˈ p ɛ d ɪ f ɔːr m iː z /). [1] Grebes are widely distributed freshwater birds, with some species also found in marine habitats during migration and winter. Most grebes fly, although some flightless species exist, most notably in stable ...
The common murre is a pursuit-diver that forages for food by swimming underwater using its wings for propulsion. Dives usually last less than one minute, but the bird swims underwater for distances of over 30 m (100 ft) on a regular basis.
The high haemoglobin concentration in their blood gives them a capacity to store oxygen greater than that of other birds, allowing them to remain underwater for 30 seconds or more, [9] whilst their basal metabolic rate is approximately one-third slower than typical terrestrial passerines of similar mass. [14]
The anhinga (/ æ n ˈ h ɪ ŋ ɡ ə /; Anhinga anhinga), sometimes called snakebird, darter, American darter, or water turkey, is a water bird of the warmer parts of the Americas. The word anhinga comes from a'ñinga in the Brazilian Tupi language and means "devil bird" or "snake bird". [ 3 ]
A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water. In some definitions, the term water bird is especially applied to birds in freshwater ecosystems , although others make no distinction from seabirds that inhabit marine environments .
Some birds dive into the water for food. Two diving strategies are differentiated: surface diving birds dive from the surface of the water and swim actively underwater; and plunge diving birds dive from the air into the water. Plunge diving birds may use the momentum from the plunge to propel themselves underwater, whereas others may swim actively.
The common loon is the provincial bird of Ontario and is depicted on the Canadian one-dollar coin, which has come to be known affectionately as the "loonie". [43] The common loon is the official state bird of Minnesota. [44] Mercer, Wisconsin, promotes itself as the "Loon Capital of the World". [45]