Calidris
Calidris is a genus of Arctic-breeding, strongly migratory wading birds in the family Scolopacidae. These birds form huge mixed flocks on coasts and estuaries in winter. Migratory shorebirds are shown to have decline in reproductive traits because of temporal changes of their breeding seasons(Weiser et al., 2018). They are the typical "sandpipers", small to medium-sized, long-winged and relatively short-billed.
| Calidris | |
|---|---|
| Semipalmated sandpiper (Calidris pusilla), Jamaica Bay Wildlife Refuge | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Charadriiformes |
| Family: | Scolopacidae |
| Genus: | Calidris Merrem, 1804 |
| Type species | |
| Tringa calidris = Tringa canutus Gmelin, 1789 | |
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.
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