Scolopacidae
| Sandpipers Temporal range: Early Oligocene to recent |
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| Dunlin (Calidris alpina) | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Subclass: | Neornithes |
| Infraclass: | Neoaves |
| Order: | Charadriiformes |
| Suborder: | Scolopaci |
| Family: |
Scolopacidae Rafinesque, 1815 |
| Genera | |
Sandpipers are a large family, Scolopacidae, of waders or shorebirds. 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. Different lengths of bills enable different species to feed in the same habitat, particularly on the coast, without direct competition for food.
Sandpipers have long bodies and legs, and narrow wings. Most species have a narrow bill, but otherwise the form and length are quite variable. They are small to medium-sized birds, measuring 12 to 66 cm (4.7–26.0 in) cm in length. The bills are sensitive, allowing the birds to feel the mud and sand as they probe for food. They generally have dull plumage, with cryptic brown, grey, or streaked patterns, although some display brighter colours during the breeding season.
Most species nest in open areas, and defend their territories with aerial displays. The nest itself is a simple scrape in the ground, in which the bird typically lays three or four eggs. The young of most species are precocial.
The family Scolopacidae was introduced (as Scolopacea) by the French polymath Constantine Samuel Rafinesque in 1815. This large family is often further subdivided into groups of similar birds. These groups do not necessarily consist of a single genus, but as presented here they do form distinct monophyletic evolutionary lineages. The groups, with species numbers in parentheses, are:
The early fossil record is very bad for a group that was probably present at the non-avian dinosaur's extinction. "Totanus" teruelensis (Late Miocene of Los Mansuetos (Spain) is sometimes considered a scolopacid – maybe a shank – but may well be a larid; little is known of it.
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