Sanderling

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Sanderling

 

(Calidris alba,) a bird of the family Charadriidae of the suborder Limicolae. The sanderling is approximately 18 cm long and weighs between 45 and 75 g. The legs are tridactyl, with the rear toe missing. The black back with reddish spots turns light gray in the winter; the underparts are white.

The sanderling inhabits Greenland, some arctic islands, and the northernmost coastal tundras of Siberia and North America. It winters along the seacoasts of South Asia, Australia, Africa, and South America. Nests are constructed on the ground. A clutch consists of four olive-yellow eggs with dark spots. The parents take turns incubating the eggs for 23 or 24 days. Sander-lings feed on insects and other small invertebrates; sometimes they eat the buds of tundra vegetation.

References in periodicals archive ?
SCOLOPACIDAE 8 Limnodromus griseus 114 90 0 9 Limosa fedoa 0 0 0 10 Numenius phaeopus 26 44 31 11 Actitis macularius 22 20 14 12 Tringa melanoleuca 56 75 20 13 Tringa flavipes 2 4 0 14 Tringa semipalmata 88 191 115 15 Arenaria interpres 89 45 77 16 Calidris alba 118 673 168 17 Calidris pusilla 0 85 70 18 Calidris mauri 378 904 1065 19 Calidris minutilla 76 73 29 Abundancia Acumulada 1232 2699 2004 Promedio Abundancia 65 142 105 Total de especies 17 18 15 por muestreo No.
Sin embargo, especies como Calidris alba, Haematopus palliatus, y Pluviales squatarola prefieren orillas de mar donde el "muy muy" (Emerita sp.) es su principal alimento (Castro & Myers, 1987).
thoracicus icae (Perez y Balta 2007), y son frecuentes aves migratorias como playeros (Calidris alba) y chorlos (Charadrius sp.).
Del grupo de aves playeras 19 estuvieron presentes en los dos cuerpos de agua, las especies mas abundante en ambos sitios fueron Calidris alba y Catoptrophorus semipalmatus.
However, two species accounted for almost half of all individuals: Calidris alba (24%) and Himantopus mexicanus (21%), with two other species having moderate numbers: Catoptrophorus semipalmatus and Recurvirostra americana (12% each).