Curlew sandpiper

Curlew sandpiper
Imran Shah from Islamabad, Pakistan · CC BY-SA 2.0 · source
Name	Curlew sandpiper
Status	VU
Status system	IUCN3.1
Genus	Calidris
Species	ferruginea
Authority	(Pontoppidan, 1763)

Curlew sandpiper is a small migratory wader notable for long-distance flights and distinctive breeding plumage. The species winters across coastal wetlands in regions including Africa, Australia, and South Asia while breeding in Arctic tundra near Siberia and adjacent areas. It is a subject of international conservation initiatives and appears in ornithological studies tied to organizations and treaties such as the IUCN Red List, Convention on Migratory Species, and regional bird observatories.

Taxonomy and nomenclature

The species was described by Erik Pontoppidan in the 18th century and placed in the genus Calidris, a group treated in comparative works alongside genera discussed by Carl Linnaeus and later revised by ornithologists at institutions like the Natural History Museum, London and the Smithsonian Institution. Taxonomic treatments reference collections from expeditions linked to figures such as John Latham and reports compiled in journals like the Proceedings of the Zoological Society of London. Modern phylogenetic studies using molecular markers have been published by teams associated with the Royal Society and universities including University of Cambridge and University of Oxford, comparing the species to congeners discussed in monographs from the British Ornithologists' Union and regional checklists maintained by organizations such as BirdLife International.

Description

Adults in breeding plumage exhibit rufous and black patterning described in field guides produced by the Royal Society for the Protection of Birds and regional guides like those from the Australian Bird Guide project. Identification keys contrast the species with similar shorebirds treated in works by authors at the American Museum of Natural History and the National Audubon Society, noting bill length, leg coloration, and wing formula used in banding studies at stations run by entities such as the British Trust for Ornithology and the Institute of Terrestrial Ecology. Museum specimens housed in institutions like the American Museum of Natural History and the Museum of Natural History, Paris support comparative morphology, and plumage descriptions are cited in field notebooks from expeditions sponsored by the Royal Geographical Society.

Distribution and habitat

The species breeds in Arctic zones adjacent to regions administered by states including the Russian Federation and areas influenced by research programs of agencies like the Woods Hole Oceanographic Institution and the National Oceanic and Atmospheric Administration. Non-breeding range maps are produced by collaborations between BirdLife International and national bodies such as the Department of the Environment, Water, Heritage and the Arts in Australia or the Department of Environment, Food and Rural Affairs in the United Kingdom. Key stopover sites lie along flyways identified in agreements like the East Asian–Australasian Flyway Partnership and include wetlands cataloged by conservation groups such as the Ramsar Convention network and regional reserves managed by authorities such as the National Parks Board (Singapore) and the South African National Parks.

Behavior and ecology

Foraging behavior has been detailed in studies published by researchers affiliated with universities such as University of Aberdeen and University of Cape Town, and in conference proceedings of societies including the International Ornithological Congress and the European Ornithologists' Union. Diet and prey interactions are analyzed in the context of estuarine ecology research conducted by institutes like the Netherlands Institute of Ecology and the Chinese Academy of Sciences, while predator-prey relationships are reported in literature associated with the Zoological Society of London and the Royal Society. Social behavior at staging sites is monitored by networks including the Global Flyway Network and local citizen science schemes coordinated by clubs such as the Royal Australasian Ornithologists Union.

Breeding and life cycle

Breeding biology is documented from field studies carried out by teams funded by bodies like the National Science Foundation and universities including University of Helsinki and Utrecht University. Nesting on tundra substrates has been compared to research on Arctic species published through the Arctic Council working groups and conservation reports authored by the World Wide Fund for Nature. Egg descriptions, clutch sizes, and chick development appear in monographs from the British Trust for Ornithology and long-term datasets maintained by observatories such as the Svalbard Science Centre and research stations affiliated with the University Centre in Svalbard.

Migration and conservation

Migration routes are delineated using data from ringing programs run by agencies like the Hungarian Ornithological and Nature Conservation Society and telemetry projects supported by the European Union and grants from foundations such as the Horizon 2020 programme. Conservation status assessments by IUCN and action plans by regional bodies including the East Asian–Australasian Flyway Partnership and national wildlife services in countries like India and Bangladesh address threats including habitat loss at sites recognized under the Ramsar Convention and disturbance pressures documented by NGOs such as Wetlands International. Recovery and monitoring efforts engage museums, universities, and networks coordinated by organizations like BirdLife International and governmental ministries including the Ministry of Environment (Japan).

Human interactions and significance

The species features in cultural and scientific records preserved in institutions such as the Natural History Museum, London and in conservation campaigns run by charities exemplified by the Royal Society for the Protection of Birds and BirdLife International. Policy measures affecting the species involve ministries and departments like the Department of Environment, Food and Rural Affairs and the Department of the Environment (Australia), while environmental impact assessments for development projects reference datasets from the Ramsar Convention and academic studies published by universities including University of Melbourne and University of Cape Town. Citizen science platforms such as those hosted by the Cornell Lab of Ornithology and national bird clubs contribute observational records used by international agreements including the Convention on Migratory Species.

Category:Calidris Category:Birds of Asia Category:Birds of Africa Category:Migratory birds