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| Common Coot | |
|---|---|
| Status | LC |
| Status system | IUCN3.1 |
| Genus | Fulica |
| Species | atra |
| Authority | Linnaeus, 1758 |
Common Coot
The Common Coot is a medium-sized waterbird of the rail and crake family that occupies freshwater and brackish wetlands across much of the Old World and parts of Australia. It is recognizable by its black plumage, white frontal shield, and lobed toes, and it interacts with a range of notable human institutions and conservation frameworks across its range.
The species has a compact, rounded body, short tail, and a distinctive white frontal shield and bill, features comparable in prominence to those of John James Audubon's plates and specimens in collections at the British Museum and Smithsonian Institution. Adult plumage is mostly black, with juveniles showing browner tones noted in field guides from the Royal Society for the Protection of Birds and the American Ornithological Society's historical compilations. Size and weight vary regionally, measurements recorded in studies associated with the Zoological Society of London and the Natural History Museum, London indicate sexual monomorphism but subtle dimorphism in bill size tied to local foraging niches observed in papers published in journals affiliated with the Royal Society and the National Academy of Sciences.
Described by Carl Linnaeus in 1758, this taxon sits in the genus Fulica, within the family Rallidae, a family examined in cladistic analyses by researchers at institutions such as the University of Cambridge and the University of Oxford. Molecular phylogenies using samples deposited in repositories like the Natural History Museum, London and the Smithsonian Institution place it in a clade with other Fulica species, with divergence times discussed in works from the Max Planck Society and the University of California, Berkeley. Subspecific treatments have been proposed by ornithologists associated with the British Ornithologists' Club and the International Ornithologists' Union, and debates over species limits reference specimen series in the American Museum of Natural History and the Muséum national d'Histoire naturelle.
The species' range spans much of Europe, Asia, Africa, and parts of Australasia, with vagrant records reported in atlases compiled by the British Trust for Ornithology and the Cornell Lab of Ornithology. Habitat associations include lakes, marshes, reservoirs, and estuarine lagoons documented in surveys by the Ramsar Convention network and the European Bird Census Council. Seasonal movements and population trends are mapped in databases maintained by the International Union for Conservation of Nature and regional monitoring programs run by organizations such as Wetlands International and national agencies including the Environment Agency (England) and the Australian Department of the Environment.
Common Coots exhibit territoriality, aggression, and sociality that have been the subject of behavioral studies at universities like University College London and the University of Helsinki. Foraging involves diving and surface feeding on aquatic vegetation and invertebrates, with diet analyses appearing in publications linked to the Royal Society and the Institute of Marine Research (Norway). Interactions with predators, nest raiders, and competitors are discussed in ecological syntheses by the International Union for Conservation of Nature and researchers at the Smithsonian Environmental Research Center. Flocking dynamics during non-breeding seasons are recorded in citizen-science projects coordinated by the Royal Society for the Protection of Birds and the Audubon Society.
Nesting behavior includes floating nests anchored to emergent vegetation, with clutch sizes and parental care patterns reported in long-term studies from the British Trust for Ornithology and the Max Planck Institute for Ornithology. Egg morphology and chick development are described in handbooks published by the Cambridge University Press and field guides used by the Norwegian Ornithological Society. Lifespan records, including banding recoveries, are tracked through schemes run by the European Union for Bird Ringing and the Australian Bird and Bat Banding Scheme, with maximum ages reported in ringing reports archived by the Finnish Museum of Natural History.
Assessed as Least Concern by the International Union for Conservation of Nature, the species faces localized threats from habitat loss, pollution, and disturbance cataloged in assessments by the Ramsar Convention and action plans by the European Commission. Conservation measures include wetland protection under frameworks administered by the Convention on Biological Diversity and national programs run by agencies like the Environment Agency (England) and the Department of the Environment (Northern Ireland). Research, monitoring, and public outreach are conducted by NGOs and institutions such as the Royal Society for the Protection of Birds, the Audubon Society, and universities including the University of Oxford and University of Cambridge.
Category:Fulica