nests looks shallow
scrape lined with bits of shell or pebbles; lays 1 to 4 eggs;
is 24 to 33 days; young fledge after 40 days; 1 brood. American Black
Oystercatcher sounds loud “whee-up” alarm call and soft
flight call. It diets
are mainly mollusks, crustaceans, marine worms and small fish.
Black Oystercatcher habitats were on
rocky shores; some winter in estuaries. They found across western
North America from Aleutian Island south to Baja California. Their
population is not globally threatened.