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The Eurasian wigeon is a bird of open wetlands, such as wet grassland or marshes with some taller vegetation, and usually feeds by dabbling for plant food or grazing, which it does very readily. It nests on the ground, near water and under cover. It is highly gregarious outside of the breeding season and will form large flocks.
The American wigeon was formerly called the baldpate by ornithologists, and some people still use that name, especially hunters. The diet of the wigeon consists mainly of grass leaves (~80%), other food types eaten are seeds (~10%) and roots and stems (~5%).
The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as phytoplankton.
The tiny (0.6 μm) marine cyanobacterium Prochlorococcus, discovered in 1986, forms today an important part of the base of the ocean food chain and accounts for much of the photosynthesis of the open ocean [140] and an estimated 20% of the oxygen in the Earth's atmosphere. [141]
The majority of these species eat small invertebrates picked out of the mud or soil. Different lengths of legs and bills enable multiple species to feed in the same habitat, particularly on the coast, without direct competition for food. Jack snipe Black-tailed godwit Spotted redshank Temminck's stint. Eurasian woodcock, Scolopax rusticola
Eurasian magpie; Eurasian nuthatch; Eurasian oystercatcher; Eurasian penduline tit; Eurasian scops owl; Eurasian siskin; Eurasian skylark; Eurasian sparrowhawk; Eurasian spoonbill; Eurasian stone-curlew; Eurasian teal; Eurasian three-toed woodpecker; Eurasian tree sparrow; Eurasian treecreeper; Eurasian whimbrel; Eurasian wigeon; Eurasian ...
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms.
Falcated ducks have food habits generally consisting of small invertebrate and other insects as well as plant foods. They mainly eat vegetation or insects near to the water, consuming animals such as larvae, crustaceans, and mollusks. They likewise eat plant foods: leaves as well as seeds, grains, and nuts.