BIRDS FOUND ALONG THE BEACHES 81 



287. BLACK OYSTF.R-CATCH.'ER. — HcBmatopus 

 bachmani. 



Family : The Oyster-catchers. 



Length: 17.00. 



Adults: Head and neck blnish black, rest of plumage rusty black ; bill 



chisel-shaped and red ; feet and legs red. 

 Young: General color more brownish. 

 Dovmy Young : Head, neck, and upper parts sooty brown ; the down 



tipped with rusty ; under parts black. 

 Geographical Distribution : Pacific coast of North America from Lower 



California to the Aleutian Islands. 

 Breeding Range: Breeds nearly throughout its habitat. 

 Breeding Season : J\me. 



Nest : The bare ground of the beach or the shale. 

 Eggs : 1 to 3 ; olive, spotted with umber and purplish gray. Size 



2.20 X 1.52. 



The Oyster-catcher family includes ten species, mostly 

 found in the tropics; but three species are found in 

 North America, and two occur in California. While 

 found all along the coast of California, they are especially 

 partial to rocky portions and islands, and are not usually 

 seen on the sand beaches. Their feeding grounds are 

 the outer bars, beaches, and rocks, where they search for 

 clams, muscles, and oysters exposed by the fall of the 

 tide. The strong shells of these mollusks the birds pry 

 open with their bills. Oyster-catchers are abundant 

 along the rocky coast at La Jolla, but I have never 

 found any breeding there. Mr. Anthony found them 

 breeding on the rocky islands close to the coast, the 

 eggs having been laid on the bare rocks, usually but 

 a few feet above high water, and close to the edge. All 

 about them were empty shells of limpets brought there 



