Redshank

Redshank
Name	Redshank
Genus	Tringa
Species	totanus
Authority	Linnaeus, 1758

Redshank The redshank is a wader in the genus Tringa, noted for its long red legs and loud piping call. It is strongly associated with coastal wetlands, estuaries and inland marshes and features in regional literature and natural history from Charles Darwin to Alfred Newton. Observations of its migration and population trends have informed studies by institutions such as the Royal Society and the International Union for Conservation of Nature.

Taxonomy and etymology

The scientific name Tringa totanus follows the binomial system established by Carl Linnaeus and was treated in early ornithological literature by figures like John Gould and Thomas Pennant. The genus Tringa groups species formerly described by Ulisse Aldrovandi and later revised during the 19th century by taxonomists working at the British Museum (Natural History), now the Natural History Museum, London. The common name appears in regional field guides by authors affiliated with organizations such as the Royal Society for the Protection of Birds and in historic accounts from the Ornithological Society of Japan. Etymological discussion references classical works by Pliny the Elder and later nomenclatural decisions by committees like the International Commission on Zoological Nomenclature.

Description

The redshank is medium-sized among waders described in monographs by John James Audubon and illustrated in plates used by Ernst Haeckel. Key diagnostic features include long reddish legs, a straight bill, and cryptic breeding plumage described in handbooks distributed by the British Trust for Ornithology and the Cornell Lab of Ornithology. Field marks used by migrants observed along routes documented by Gilbert White and recorded in atlases by the European Bird Census Council allow separation from congeners recorded in checklists by the American Ornithological Society, BirdLife International, and national inventories such as those of the Norwegian Ornithological Society.

Distribution and habitat

Redshank breeds across temperate regions recorded in range maps prepared by the International Wader Study Group and winters in coastal zones surveyed by the Wetlands International program. Breeding sites appear in country reports from Sweden, United Kingdom, Russia, and Poland, while wintering concentrations are noted along the coasts of Spain, Morocco, Senegal, and India. Habitats include estuaries and saltmarshes monitored by conservation projects led by the RSPB and the Cornwall Wildlife Trust, as well as inland wetlands managed by agencies such as the Environment Agency (England) and the US Fish and Wildlife Service where transcontinental vagrants have been recorded.

Behavior and ecology

Foraging behavior parallels that described in ecological studies by David Attenborough and in papers published in journals like Nature and the Journal of Avian Biology. Redshank feed on invertebrates detailed in surveys by the Marine Biological Association and on small fish recorded by research teams from the Scottish Seabird Centre. Their territorial displays and alarm calls have been compared to those of shorebirds featured in fieldwork coordinated by the BTO and behavioral experiments at universities including University of Cambridge and University of Oxford. Predator–prey interactions with raptors observed in studies by the Royal Society for the Protection of Birds involve species such as Peregrine Falcon and Hen Harrier, and interspecific competition with waders like the Common Sandpiper and Dunlin has been documented by the Wetlands International program.

Reproduction and life cycle

Breeding phenology is described in long-term studies by the British Trust for Ornithology and in regional breeding atlases published by the European Bird Census Council. Nesting occurs in marsh vegetation surveyed by botanists associated with the Botanical Society of Britain and Ireland, with clutch sizes and chick development monitored in ring‑recapture programs run by organizations such as BirdWatch Ireland and the Norwegian Institute for Nature Research. Migration timing and stopover ecology have been analyzed using tracking technologies developed at institutions like the Max Planck Institute for Ornithology and tagging projects coordinated by the Movebank platform.

Conservation and threats

Conservation status assessments by BirdLife International and the IUCN Red List reflect regional declines linked to habitat loss recorded in environmental impact reports from the European Commission and UNESCO biosphere initiatives. Threats include coastal development regulated by agencies such as the Royal Commission on the Ancient and Historical Monuments of Scotland and pollution incidents investigated by the Environment Agency (England) and Agence Française pour la Biodiversité. Protective measures feature designations like Ramsar convention sites, management plans by the Joint Nature Conservation Committee, and recovery actions supported by NGOs including the Wildfowl & Wetlands Trust and the World Wide Fund for Nature.

Category:Waders