Search results
Results from the WOW.Com Content Network
A drinking bird, also known as the dunking bird, drinky bird, water bird, and dipping bird, [1] [2] [3] is a toy heat engine that mimics the motions of a bird drinking from a water source. They are sometimes incorrectly considered examples of a perpetual motion device.
Aequornithes (/ iː k w ɔːr ˈ n ɪ θ iː z /, from Latin aequor, expanse of water + Greek ornithes, birds), or core water birds, [6] are defined in the PhyloCode as "the least inclusive crown clade containing Pelecanus onocrotalus and Gavia immer". [3] [7] The monophyly of the group is currently supported by several molecular phylogenetic ...
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 .
These birds create whirlpools by spinning in small, rapid circles. Then they feed on the small insects and crustaceans that rise to the surface. Gender roles are also somewhat unusual within this ...
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 ]
Anatidae is a large proportion of the 3% of bird species to possess a penis, [5] [6] though they vary significantly in size, shape, and surface elaboration. [7] Most species are adapted for copulation on the water only. They construct simple nests from whatever material is close at hand, often lining them with a layer of down plucked from the ...
Anseriformes is an order of birds also known as waterfowl that comprises about 180 living species of birds in three families: Anhimidae (three species of screamers), Anseranatidae (the magpie goose), and Anatidae, the largest family, which includes over 170 species of waterfowl, among them the ducks, geese, and swans. Most modern species in the ...
Most birds scoop water in their beaks and raise their head to let water run down the throat. Some species, especially of arid zones, belonging to the pigeon , finch , mousebird , button-quail and bustard families are capable of sucking up water without the need to tilt back their heads. [ 168 ]