Great Knot

Scientific Name: Calidris tenuirostris
Malay Name: Kedidi-Dian Besar
Chinese Name: 大滨鹬

Breeds in Northeast Siberia and winters along the coasts of Indian subcontinent, southern China, Southeast Asia and Australia


Size: 28.5-29.5 cm

Adult in non-breeding plumage can be separated from other similar size waders by a combination of attenuated shape, longish, broad-based, slightly downward tapering blackish bill, shortish legs, greyish upperparts, indistinct supercilium, streaked greyish head to upperbreast, whitish belly and blackish spots on sides of breast and upper flanks. Adult in breeding plumage has bolder streaks and darker spots on head, breast and flanks. Juvenile resembles non-breeding adult but has darker upperparts.

Similar looking species: Red Knot

Habitat: Mudflats and sandflats.

Behaviour/Ecology: Gregarious and feeds mainly by probing.

Local Status: Rare migrant

Conservation Status: Endangered (BirdLife International 2019)

Location: Recent sightings were at Sungei Buloh (Nov 2010 and 2016), Mandai Mudflat (Sep 2014), Seletar Dam (Sep 2014 and Aug 2016) and Pulau Tekong (Oct 2015).


External Links:
Conservation Status: IUCN Red List Page
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia Link

BirdLife International. (2019). Calidris tenuirostris. The IUCN Red List of Threatened Species 2019. Downloaded on 2 September 2021
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.