RED KNOT


Calidris canutus


Description:

Those that winter in southern South America may make a round trip of nearly 20,000 miles (32,000 kilometers) each year.


Appearance:

General: Sexes similar. 10 to 11 inches in length.

Adult Alternate: Reddish or rufuous face, throat, breast, and underparts. Dark brown upperparts with pale-buff feather edges. Its back appears "scaled" with black. Grayish wing stripe. Dark rump, and tail. Dark greenish legs. Dark, straight, slightly tapered bill.

Adult Basic: Grayish upperparts and breast. White belly with irregular gray markings along flanks. White supercilium and dark eyeline. Dark greenish legs. Dark, straight, slightly tapered bill.

Juvenile: Similar to adult basic, except the back and wings have a "scaly" look created by fine black and white edges on its back and wing coverts.


Habitat:

Tidal flats, rocky shores, and beaches during migration. Breeds on tundra.


Nesting:

4 olive-buff eggs marked with brown spots. The eggs have a 21-23 day incubation period. Fledging occurs in 18-20 days. The nest is a ground depression lined with lichens.


Observed Locations:

  • J St Marina, Chula Vista
  • Crown Point, Mission Bay
  • South Bay (end of 7th St), Imperial Beach





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7th St (South Bay)

 

 


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Copyright © Scott Streit, 2000.