Great Knot (species: Calidris (Calidris) tenuirostris) in Sydney Marine Life (Gaia Guide)
Calidris (Calidris) tenuirostris
Great Knot

©J.J. Harrison: Great Knot (Calidris (Calidris) tenuirostris)

©Kevin Lin: Great Knot (Calidris (Calidris) tenuirostris)
Kingdom Animalia
Phylum Chordata
Class Aves
Order Charadriiformes
Family Scolopacidae
Genus Calidris
Species Calidris (Calidris) tenuirostris
Status least concern



Distinguishing features

This species has short dark legs and a medium-length thin dark bill. Breeding adults have mottled greyish upperparts with some rufous feathering. The face, throat and breast are heavily spotted black, and there are also some streaks on the rear belly. In winter the plumage becomes uniformly pale grey above. (Wikipedia)


  • Up to 30 cm (Length of specimen)


  • Up to 60 cm and averaging 58 cm


Similar taxa


©Atlas of Living Australia: Australian distribution

Distribution and habitat preferences

Their breeding habitat is tundra in northeast Siberia. They nest on the ground laying about four eggs in a ground scrape. They are strongly migratory wintering on coasts in southern Asia through to Australia.(Wikipedia)


These birds forage on mudflats and beaches, probing or picking up food by sight. They mainly eat molluscs and insects. (Wikipedia)

Web resources


  • Simpson, K., N. Day and P. Trusler (2004). Field Guide to Birds of Australia: 7th Edition Penguin Group (Australia), Camberwell, Victoria.