Scientific Name: Calidris acuminata
Malay Name: Kedidi Ekor Tajam
Chinese Name: 尖尾滨鹬
Range: Breeds in northeast Siberia; winters south to New Guinea, the Pacific Islands, and eastern Australia.
Size: 17-21 cm
Identification: A medium-sized sandpiper similar to the equally-rare Pectoral Sandpiper, recalls Long-toed Stint but ~50% larger. From Long-toed Stint, told by size, at least slight rufous tones on crown in all plumages, significantly longer legs giving taller appearance, and thicker bill. From Pectoral Sandpiper, distinguished by presence of streaking on flanks (versus clean flanks in that species), less distinct white supercilium, more warm tones on crown, and in breeding plumage, chevron-shaped (as opposed to pure streaked) markings on underparts; Pectoral also almost always shows pale tones on bill-base while Sharp-tailed often has all-dark bill.
Habitat: Mudflats, sandflats, flooded grasslands, and brackish lagoons.
Behaviour/Ecology: Typically feeds at water’s edge on insects, snails, and crustaceans.
Local Status: Vagrant
Conservation Status: Vulnerable (BirdLife International 2022)
Migrant bar chart (see more bar charts):
Sharp-tailed Sandpiper Calidris acuminata Average number of individuals by week based on Singapore Bird Database data, Jul 2016 to Jun 2023 (all records)
BirdLife International. (2022). Calidris acuminata. The IUCN Red List of Threatened Species 2022. https://dx.doi.org/10.2305/IUCN.UK.2022-1.RLTS.T22693414A152588591.en. Accessed on 1 January 2023
Van Gils, J., Wiersma, P., & Kirwan, G. M. (2020). Sharp-tailed Sandpiper (Calidris acuminata), version 1.0. In del Hoyo, J., Elliott, A., Sargatal, J., Christie, D. A., & de Juana, E. (Eds.), Birds of the World. Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.shtsan.01
Bird Society of Singapore. (n.d.). Sharp-tailed Sandpiper. Retrieved on November 21, 2023 from https://singaporebirds.com/species/sharp-tailed-sandpiper.