''Calidris'' is a genus of
Arctic
The Arctic ( or ) is a polar regions of Earth, polar region located at the northernmost part of Earth. The Arctic consists of the Arctic Ocean, adjacent seas, and parts of Canada (Yukon, Northwest Territories, Nunavut), Danish Realm (Greenla ...
-breeding, strongly
migratory wading bird
Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweigh ...
s in the family
Scolopacidae
Sandpipers are a large family, Scolopacidae, of waders. They include many species called sandpipers, as well as those called by names such as curlew and snipe. The majority of these species eat small invertebrates picked out of the mud or soil. ...
. These birds form huge mixed flocks on coasts and estuaries in winter. They are the typical "
sandpiper
Sandpipers are a large family, Scolopacidae, of waders. They include many species called sandpipers, as well as those called by names such as curlew and snipe. The majority of these species eat small invertebrates picked out of the mud or soil. ...
s", small to medium-sized, long-winged and relatively short-billed.
Their
bills have sensitive tips which contain numerous
corpuscles of Herbst. This enables the birds to locate buried prey items, which they typically seek with restless running and probing.
Taxonomy
The genus ''Calidris'' was introduced in 1804 by the German naturalist
Blasius Merrem
Blasius Merrem (4 February 1761 – 23 February 1824) was a German naturalist, zoologist, ornithologist, mathematician, and herpetologist. In 1804, he became the professor of political economy and botany at the University of Marburg.
Early li ...
with the
red knot
The red knot or just knot (''Calidris canutus'') is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the ''Calidris'' sandpipers, second only to the ...
as the
type species
In zoological nomenclature, a type species (''species typica'') is the species name with which the name of a genus or subgenus is considered to be permanently taxonomically associated, i.e., the species that contains the biological type specimen ...
.
The genus name is from
Ancient Greek
Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic peri ...
''kalidris'' or ''skalidris'', a term used by
Aristotle
Aristotle (; grc-gre, Ἀριστοτέλης ''Aristotélēs'', ; 384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Peripatetic school of phil ...
for some grey-coloured waterside birds.
The genus contain 24 species:
*
Great knot
__NOTOC__
The great knot (''Calidris tenuirostris'') is a small wader. It is the largest of the calidrid species. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-coloured waterside bird ...
, ''Calidris tenuirostris''
*
Red knot
The red knot or just knot (''Calidris canutus'') is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the ''Calidris'' sandpipers, second only to the ...
, ''Calidris canutus''
*
Surfbird
The surfbird (''Calidris virgata'') is a small stocky wader in the family Scolopacidae. It was once considered to be allied to the turnstones, and placed in the monotypic genus ''Aphriza'', but is now placed in the genus '' Calidris''.
This bir ...
, ''Calidris virgata''
*
Ruff
Ruff may refer to:
Places
*Ruff, Virginia, United States, an unincorporated community
*Ruff, Washington, United States, an unincorporated community
Other uses
*Ruff (bird) (''Calidris pugnax'' or ''Philomachus pugnax''), a bird in the wader fami ...
, ''Calidris pugnax''
*
Broad-billed sandpiper
The broad-billed sandpiper (''Calidris falcinellus'') is a small wading bird. The scientific name is from Latin. The specific name ''falcinella'' is from ''falx, falcis'', "a sickle. Some research suggests that it should rather go into the gen ...
, ''Calidris falcinellus''
*
Sharp-tailed sandpiper
The sharp-tailed sandpiper (''Calidris acuminata'') (but see below) is a small wader.
Taxonomy
A review of data has indicated that this bird should perhaps better be placed into the genus ''Philomachus''
– as ''P. acuminatus'' – which now ...
, ''Calidris acuminata''
*
Stilt sandpiper
The stilt sandpiper (''Calidris himantopus'') is a small shorebird. The scientific name is from Ancient Greek. The genus name ''kalidris'' or ''skalidris'' is a term used by Aristotle for some grey-coloured waterside birds. The specific ''himanto ...
, ''Calidris himantopus''
*
Curlew sandpiper
The curlew sandpiper (''Calidris ferruginea'') is a small wader that breeds on the tundra of Arctic Siberia.
It is strongly migratory, wintering mainly in Africa, but also in south and southeast Asia and in Australia and New Zealand. It is a v ...
, ''Calidris ferruginea''
*
Temminck's stint
Temminck's stint (''Calidris temminckii'') is a small wader. This bird's common name and Latin binomial commemorate the Dutch naturalist Coenraad Jacob Temminck. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by ...
, ''Calidris temminckii''
*
Long-toed stint
The long-toed stint (''Calidris subminuta'') is a small wader. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-coloured waterside birds. The specific ''subminuta'' is from Latin ''sub'', ...
, ''Calidris subminuta''
*
Spoon-billed sandpiper, ''Calidris pygmaea''
*
Red-necked stint
The red-necked stint (''Calidris ruficollis'') is a small migratory wader. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-coloured waterside birds. The specific ''ruficollis'' is from ...
, ''Calidris ruficollis''
*
Sanderling
The sanderling (''Calidris alba'') is a small wading bird. The name derives from Old English ''sand-yrðling'', "sand-ploughman". The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-colou ...
, ''Calidris alba''
*
Dunlin
The dunlin (''Calidris alpina'') is a small wader, formerly sometimes separated with the other "stints" in the genus ''Erolia''. The English name is a dialect form of "dunling", first recorded in 1531–1532. It derives from ''dun'', "dull brown ...
, ''Calidris alpina''
*
Rock sandpiper
The rock sandpiper (''Calidris ptilocnemis'') is a small shorebird in the sandpiper family Scolopacidae. This is a hardy sandpiper that breeds in the arctic and subarctic regions of Alaska and the Chukotka and Kamchatka Peninsulas. It is closely ...
, ''Calidris ptilocnemis''
*
Purple sandpiper
The purple sandpiper (''Calidris maritima'') is a small shorebird in the sandpiper family Scolopacidae. This is a hardy sandpiper that breeds in the arctic and subarctic regions of Eurasia and North America and winters further south on the Atlant ...
, ''Calidris maritima''
*
Baird's sandpiper, ''Calidris bairdii''
*
Little stint
The little stint (''Calidris minuta'' or ''Erolia minuta''), is a very small wader. It breeds in arctic Europe and Asia, and is a long-distance migrant, wintering south to Africa and south Asia. It occasionally is a vagrant to North America a ...
, ''Calidris minuta''
*
Least sandpiper
The least sandpiper (''Calidris minutilla'') is the smallest shorebird. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-colored waterside birds. The specific ''minutilla'' is Medieval Lat ...
, ''Calidris minutilla''
*
White-rumped sandpiper
The white-rumped sandpiper (''Calidris fuscicollis'') is a small shorebird that breeds in the northern tundra of Canada and Alaska. This bird can be difficult to distinguish from other similar tiny shorebirds; these are known collectively as "pee ...
, ''Calidris fuscicollis''
*
Buff-breasted sandpiper
The buff-breasted sandpiper (''Calidris subruficollis'') is a small wader, shorebird. The species name ''subruficollis'' is from Latin ''subrufus'', "reddish" (from ''sub'', "somewhat", and ''rufus'', "rufous") and ''collis'', "-necked/-throated" ...
, ''Calidris subruficollis''
*
Pectoral sandpiper
The pectoral sandpiper (''Calidris melanotos'') is a small, migratory wader that breeds in North America and Asia, wintering in South America and Oceania. It eats small invertebrates. Its nest, a hole scraped in the ground and with a thick linin ...
, ''Calidris melanotos''
*
Semipalmated sandpiper
The semipalmated sandpiper (''Calidris pusilla'') is a very small shorebird. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-coloured waterside birds. The specific ''pusilla'' is Latin fo ...
, ''Calidris pusilla''
*
Western sandpiper
The western sandpiper (''Calidris mauri'') is a small shorebird. The genus name is from Ancient Greek ''kalidris'' or ''skalidris'', a term used by Aristotle for some grey-coloured waterside birds. The specific ''mauri'' commemorates Italian bota ...
, ''Calidris mauri''
References
{{Authority control
Sandpipers
Bird genera