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Charadriiform birds drink salt water, as well as fresh water, as they possess exocrine glands located in supraorbital grooves of the skull by which salt can be excreted through the nostrils to assist the kidneys in maintaining electrolyte balance. [16] Gulls are highly adaptable feeders that take a wide range of prey opportunistically.
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.
Drinking times vary among the species. Ten species drink at dawn, four at dusk, and two at indeterminate times. [1] When drinking, water is sucked into the beak, which is then raised to let the water flow down into the crop. By repeating this procedure rapidly, enough water to last twenty four hours can be swallowed in a few seconds. [1]
New to bird-keeping? Then you’ll want to bookmark these tips for taking care of pet birds
Some desert birds depend on water sources and sandgrouse are particularly well known for congregating daily at waterholes. Nesting sandgrouse and many plovers carry water to their young by wetting their belly feathers. [167] Some birds carry water for chicks at the nest in their crop or regurgitate it along with food.
Albatrosses, along with all Procellariiformes, must excrete the salts they ingest in drinking sea water and eating marine invertebrates. All birds have an enlarged nasal gland at the base of the bill, above their eyes. This gland is inactive in species that do not require it, but in the Procellariiformes, it acts as a salt gland. Scientists are ...
But using the drinking bird method, scientists have managed to generate an output of 100 volts using just 100 millilitrers of water, enough to power small electronic devices.
The barn swallow drinks by skimming low over lakes or rivers and scooping up water with its open mouth. [37] This bird bathes in a similar fashion, dipping into the water for an instant while in flight. [42] Swallows gather in communal roosts after breeding, sometimes thousands strong.