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| black-tailed godwit | |
|---|---|
| Name | Black-tailed godwit |
| Status | VU |
| Status system | IUCN3.1 |
| Genus | Limosa |
| Species | L. limosa |
| Authority | (Linnaeus, 1758) |
black-tailed godwit is a large migratory wader in the family Scolopacidae noted for its long bill and legs, striking breeding plumage, and extensive flyway migrations between Eurasia and Africa or Australasia. Populations have been the subject of conservation concern and international agreements, and the species features in national bird monitoring programs, wetland restoration projects, and cultural references in regions such as the United Kingdom and the Netherlands. Studies of the species often intersect with research from institutions like the RSPB, Wageningen University, and the British Trust for Ornithology.
Described by Carl Linnaeus in 1758, the black-tailed godwit is classified as Limosa limosa within the order Charadriiformes, a clade that also includes families represented by taxa studied at museums such as the Natural History Museum, London and the Muséum national d'Histoire naturelle. The genus name Limosa derives from Latin used in early works by authors like Francis Willughby and John Ray, while the specific name limosa reflects historical vernacular used by 18th-century naturalists such as Georges-Louis Leclerc, Comte de Buffon and collectors associated with expeditions like those of James Cook. Subspecies delineation—often cited in monographs from institutions like the Zoological Society of London and the Netherlands Ornithologists' Union—has been debated in studies published by journals linked to universities including University of Oxford and Utrecht University.
Adults in breeding plumage show rufous and patterned tones noted in field guides by organizations like the British Trust for Ornithology and the Royal Society for the Protection of Birds, with a long straight bill and black-and-white tail visible in flight—features comparable to descriptions in works from the Handbook of the Birds of the World project coordinated by the Cornell Lab of Ornithology. Non-breeding individuals are paler and more cryptic, as documented in species accounts by the American Museum of Natural History and the Linnaean Society. Measurements and morphometrics reported in surveys by the European Bird Census Council and the Global Biodiversity Information Facility support distinctions used by field researchers from institutions such as the Max Planck Institute.
Breeding occurs across temperate lowland wetlands in countries including United Kingdom, Netherlands, Germany, Sweden, and Russia, with passage and wintering grounds extending to regions like Senegal, Mauritius, India, and Australia as recorded in migration atlases produced by collaborations among Wetlands International, BirdLife International, and national agencies like Environment Agency (England). Habitats include wet meadows, flooded grassland systems restored under programs of the European Union agri-environment schemes and Ramsar sites designated under the Ramsar Convention. Range shifts and site fidelity have been analysed using telemetry from projects linked to universities such as University of Groningen and conservation NGOs like WWF.
Flocking, roosting, and long-distance migration behaviour have been studied using methods developed at centers such as the Max Planck Institute for Ornithology and satellite-tracking collaborations with the Royal Netherlands Institute for Sea Research. Seasonal movement patterns intersect with flyways managed by bodies including the African-Eurasian Migratory Waterbird Agreement and involve stopover ecology documented at key sites like the Wadden Sea, Banc d'Arguin, and Bharatpur. Predator–prey interactions, responding to predators such as species monitored by the RSPB and the League for the Protection of Birds (BirdLife Netherlands), shape vigilance and nesting success metrics used in comparative studies with species covered by the International Union for Conservation of Nature.
Courtship display, nest-site selection in grassland and marsh habitats, clutch size, and chick development are topics explored in long-term studies by research groups at Wageningen University, University of East Anglia, and the British Trust for Ornithology. Breeding success is influenced by agricultural practices promoted by policies of the European Union Common Agricultural Policy and targeted agri-environment schemes run by national bodies such as the Dutch Ministry of Agriculture. Ringing and demographic analyses conducted through national ringing schemes coordinated by organizations like the EURING network and the BTO reveal survival rates, dispersal, and life-history parameters comparable to shorebirds included in global syntheses from the IUCN and the Convention on Migratory Species.
Foraging behaviour—probing soft substrates with the bill for invertebrates—has been quantified in studies published via departments at the University of Groningen, University of Cambridge, and research programs at the Scottish Natural Heritage (NatureScot). Diet composition includes annelids, insect larvae, crustaceans, and molluscs reported in stomach-content analyses housed in collections of the Natural History Museum, London and lab studies from institutions like the Wageningen University Research Centre. Foraging site selection overlaps with intertidal and freshwater wetland management plans developed by agencies such as the Environment Agency and international conservation frameworks administered by BirdLife International.
Classified as Vulnerable on assessments by the IUCN Red List, the species faces threats from habitat loss due to drainage, conversion to arable land under policies influenced by the Common Agricultural Policy, and disturbance at key sites including the Wadden Sea and coastal estuaries monitored by the European Environment Agency. Conservation measures promoted by NGOs like the RSPB, governmental programs in the Netherlands and United Kingdom, and international agreements such as the Ramsar Convention and the African-Eurasian Migratory Waterbird Agreement include habitat restoration, agri-environment payments, and targeted monitoring by networks such as BirdLife International and the European Bird Census Council. Research priorities cited in action plans prepared by bodies like the IUCN, Wetlands International, and national conservation agencies emphasize landscape-scale wetland protection, adaptive management drawing on evidence from universities including Utrecht University and collaborative monitoring through schemes coordinated by EURING.
Category:Birds