DVOC Main Page > Ornithological Studies > American and Eurasian Oystercatchers

AMERICAN OYSTERCATCHER / EURASIAN OYSTERCATCHER


by Adrian Binns 02/06

 

 

AMERICAN OYSTERCATCHER
Haematopus palliatus

American Oystercatcher at Delaware Valley Birding Resources

EURASIAN OYSTERCATCHER
Haematopus ostralegus

 

 

© A & J Binns

© A & J Binns
 

Upperparts

Strong contrast between brown upperparts (back and wings) and black head and neck, and tail.

No contrast as all these parts are black making these features a striking bold black and white.

 

Iris

Yellow iris / eye and a red eye ring

Red iris (and a red eye ring)

 

Leg Color

Dull grayish legs

Grayish pinkish color

 

Wingbar

Shorter. No or very little white in primaries

White in primaries extends to at least the middle of the primaries.

 

Tail Band

Darker (black) tail band that contrasts with brown back

Black tail band, same color as back

 

Rump

Dark brown back and upper rump

Shows a white triangle into the back (similar to a dowitchers)

 

Uppertail Coverts

White above the tail band is restricted to a narrow band on the uppertail coverts

White above the tail band continues up into the rump and back

 

Throat

Never shows a white throat collar / band.

Immatures and non-breeding adults show a white throat collar

 

Bill

Orange-red

Orange