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Red Knot

Calidris canutus

Red Knot © Ian & Jill Brown

Subspecies

C. c. canutus
C. c. islandica
C. c. rufa
C. c. rogersi      (This sub-species is the one found in Australia)

Other Names

Lesser Knot, Common Knot, Grey-crowned Knot, Knot, Knot-snipe

Identification

Medium sized wader, with medium sized bill and legs. 

Plumage

Non-breeding:   The chin, throat and breast are white streaked with grey, the rest of the belly and vent are just white.  The flanks are white but have distinctive dark grey chevrons. The crown and neck are grey streaked with black.  The rest of the back is grey, with the individual feathers being edged with white.  There is a white supercilium.  The bill is straight, black and about the same length as the head.  The legs are greenish-green.
Breeding:  The mantle, shoulders and wing coverts streaked chestnut with black and white.  The chin, throat, sides of the neck and rest of the underparts a chestnut-red.  The vent is white.  The overall appearance is a chestnut bird with streaking of black and white.
Juvenile:  Similar to the non-breeding plumage but browner and more heavily marked.  The fresh plumage has a buff wash.

Distribution

Found in good numbers across Australia on the southern migration, with large over-summer numbers in the southern states.  The Red Knot is found to inhabit most coastal habitats, such as mudflats, sandy beaches, bays and inlets.

Migratory habits

The Red Knot leaves our shores in March and through April, smaller numbers will be seen on the Queensland coast.  They return to our shores during August and September passing  through Queensland in good numbers to southern Australia and New Zealand.

Breeding

The Red Knot breeds right across the Arctic, in separate areas, the subspecies rogersi
breeds from north-central Siberia to Alaska.

Status

Australian Status: Common, with an estimated population of 158,000.
East Asian-Australasian Flyway Population:  about  220,000.

Confusing Species

Great Knot:  This bird is larger than the Red Knot, but the side markings are larger and the bill is slightly longer.  The rump is white in the Great Knot.  The breeding plumages are different.
Curlew Sandpiper:  This bird is smaller than the Red Knot, but the non-breeding and breeding plumages can be confusing until the down-curved bill of this bird is seen.

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