Search results
Results from the WOW.Com Content Network
A great cormorant swimming. Aquatic locomotion or swimming is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish, molluscs, amphibians, reptiles, birds, and mammals.
However, for semiaquatic animals that mainly swim at the surface, webbed feet are highly functional; they trade-off effectively between efficient terrestrial and aquatic locomotion. [2] In addition, some waterfowl can also use paddling modes for underwater swimming, with added propulsion from flapping their wings.
Geese and ducks are just two types of water birds, which include seabirds, shorebirds, waterfowl, and numerous other forms of birds. Video of gulls, ducks, and swans feeding on the Danube River in Vienna (2014) A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water.
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 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 ]
These South Carolina birds look like snakes when they swim to hunt. Here are four things to know about them.
The whirligig beetles are water beetles, comprising the family Gyrinidae that usually swim on the surface of the water if undisturbed, though they swim underwater when threatened. They get their common name from their habit of swimming rapidly in circles when alarmed, and are also notable for their divided eyes which are believed to enable them ...
As the bird reached the shore, the rest of its brown-black body became visible. The cassowary appears to look at the camera several times, video footage shows. Its head has a mohawk-like helmet ...