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.
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.[1]
The genus Calidris was introduced in 1804 by the German naturalist Blasius Merrem with the red knot as the type species.[2][3] The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds.[4]
The genus contain 24 species:[5]
Weiser, E. L., Brown, S. C., Lanctot, R. B., Gates, H. R., Abraham, K. F., Bentzen, R. L., Bêty, J., Boldenow, M. L., Brook, R. W., Donnelly, T. F., English, W. B., Flemming, S. A., Franks, S. E., Gilchrist, H. G., Giroux, M.-A., Johnson, A., Kennedy, L. V., Koloski, L., Kwon, E., & Lamarre, J.-F. (2018). Life‐history tradeoffs revealed by seasonal declines in reproductive traits of Arctic‐breeding shorebirds. Journal of Avian Biology., 49(2). https://doi.org/10.1111/jav.01531
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.
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.