Great Knot

This species is defined as a Review Species. Please submit your records of this species via our record submission page.

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)

Featured articles:

Featured reports: Nov 2022

Past accepted records in our database:

Migrant bar chart (see more bar charts):

BirdLife International. (2019). Calidris tenuirostris. The IUCN Red List of Threatened Species 2019. Accessed on 1 January 2023
Robson, C. (2014). Field guide to the birds of South-East Asia (Second Edition). Bloomsbury Publishing, London.