species to feed in the same habitat, particularly on the coast, without direct competition for food. Upland sandpiper, Bartramia longicauda Whimbrel, Numenius phaeopus Eskimo curlew, Numenius borealis (H) (Possibly extinct) Long-billed curlew, Numenius americanus Bar-tailed godwit, Limosa lapponica (S) Hudsonian godwit, Limosa haemastica Marbled godwit, Limosa fedoa Ruddy turnstone, Arenaria interpres Red knot, Calidris canutus Surfbird, Calidris virgata (H) Ruff, Calidris pugnax (S) Sharp-tailed sandpiper, Calidris acuminata (H) Stilt sandpiper, Calidris himantopus Curlew sandpiper, Calidris ferruginea (H) Red-necked stint, Calidris ruficollis (H) Sanderling, Calidris alba Dunlin, Calidris alpina Rock sandpiper, Calidris ptilocnemis (H) Baird's sandpiper, Calidris bairdii Least sandpiper, Calidris minutilla White-rumped sandpiper, Calidris fuscicollis Buff-breasted sandpiper, Calidris subruficollis Pectoral sandpiper, Calidris melanotos Semipalmated sandpiper, Calidris pusilla Western sandpiper, Calidris mauri (S) Short-billed dowitcher, Limnodromus griseus Long-billed dowitcher, Limnodromus scolopaceus American woodcock, Scolopax minor (S) Wilson's snipe, Gallinago delicata Spotted sandpiper, Actitis macularia Solitary sandpiper, Tringa solitaria Lesser yellowlegs, Tringa flavipes Willet, Tringa semipalmata Spotted redshank, Tringa erythropus (S) Greater yellowlegs, Tringa melanoleuca Wilson's phalarope, Phalaropus tricolor Red-necked phalarope, Phalaropus lobatus Red phalarope, Phalaropus fulicarius (S) Skuas and jaegers Order: CharadriiformesFamily: Stercorariidae The family Stercorariidae are large birds, typically with grey or brown plumage, often with white markings on the wings. They have longish bills with hooked tips and webbed feet with sharp claws. They look like large dark gulls, but have a fleshy cere above the upper mandible. They are strong, acrobatic fliers. Pomarine jaeger, Stercorarius pomarinus (S) Parasitic jaeger, Stercorarius parasiticus Long-tailed jaeger, Stercorarius longicaudus (S) Auks, murres, and puffins Order: CharadriiformesFamily: Alcidae Alcids are superficially similar to penguins due to their black-and-white colours, their upright posture, and some of their habits. However, they are only distantly related to the penguins and are able to fly. Auks live on the open sea, only deliberately coming ashore to nest. Black guillemot, Cepphus grylle (S) Pigeon guillemot, Cepphus columba (H) Long-billed murrelet, Brachyramphus perdix (H) Ancient murrelet, Synthliboramphus antiquus (S) Gulls, terns, and skimmers Order: CharadriiformesFamily: Laridae Laridae is a family of medium to large seabirds and includes gulls, terns, kittiwakes, and skimmers. They are typically grey or white, often with black markings on the head or wings. They have stout, longish bills and webbed feet. Black-legged kittiwake, Rissa tridactyla (S) Ivory gull, Pagophila eburnea (H) Sabine's gull, Xema sabini (S) Bonaparte's gull, Chroicocephalus philadelphia Little gull, Hydrocoloeus minutus (S) Ross's gull, Rhodostethia rosea (S) Laughing gull, Leucophaeus atricilla (H)