Common Loons have a thicker bill than Pacific Loons. During migration, often found in large flocks. Nonbreeding Red-throated Loons have more extensive white on the face and neck than nonbreeding/immature Pacific Loons. Long-bodied waterbird with thin bill and round head. The Pacific Loon and Common Loon in nonbreeding plumage look pretty similar at a glance. Nonbreeding Red-throated Loons have more extensive white on the face and neck than nonbreeding/immature Pacific Loons. Formerly considered a subspecies of the Arctic Loon, the Pacific Loon is now classified as a full species. Double-crested Cormorants have a longer neck and do not have white on the neck like nonbreeding Pacific Loons. They also hold their bills up while Pacific Loons hold their bill straight. Compared with Pacific Loon and Common Loon , Red-throated Loon is a smaller bird with a … The Arctic Loon is only an occasional nonbreeding visitor to British Columbia. Your Online Guide To Birds And Bird Watching. Breeding birds have pale gray head and nape with vertical black-and-white stripes on the neck and thick white stripes on the back. Nonbreeding Arctic Loon lacks a "chinstrap" like nonbreeding Pacific Loons. Also, note overall dark head with a clearly demarcated white throat and short bill. Nonbreeding birds often show less white on the back that other loons. Has a shorter neck than other loons. They have a checkered back and striped collar whereas Pacific Loons have a barred back and vertical striping on the neck. During the breeding season, they have a silvery head, black-and-white stripes on neck, and white patches on back. In flight, often holds head level with the body. Nonbreeding/immature birds often have a dusky chinstrap. However, the Pacific has the black chinstrap, shorter neck, and is slightly smaller (the chinstrap may sometimes not be visible).The Common has a larger, flatter bill and a “collar” around the neck that the Pacific lacks. Juveniles are similar to nonbreeding adult but usually show neat pale edges to feathers. Nonbreeding/immature Common Loons are larger with a thicker bill. Breeds in freshwater ponds and wetlands in the Arctic. Arctic Loon is nearly identical, but has a flatter crown and a white patch at the rear that Pacific Loons lack. The body is black with white markings. Similar to: Red-throated Loon. © Ian Davies | Macaulay Library It has a smoothly rounded head and neck and a straight bill. Breeding Red-throated Loons have a solid black back and a red throat whereas breeding Pacific Loons have a barred back and a black throat. Free, global bird ID and field guide app powered by your sightings and media. Found in large numbers off the West Coast of North America in winter, when they are gray above and white below. However, the Pacific has the black chinstrap, shorter neck, and is slightly smaller (the chinstrap may sometimes not be visible).The Common has a larger, flatter bill and a “collar” around the neck that the Pacific lacks. They are smaller than Common Loon with a shorter bill. Comprehensive life histories for all bird species and families. Pacific Loon usually shows a dark "chin strap," lacking in any other loon species, but this chin-strap may be nearly absent in some young birds (as in the bird in the photo above). Take Merlin with you in the field! Catches fish by diving, using feet for propulsion. Found in large numbers off the West Coast of North America in winter, when they are gray above and white below. In the past, the Arctic Loon and Pacific Loon were grouped together under the name “Arctic Loon.” The Yellow-billed Loon closely resembles the Common Loon, although it is usually larger. © Jay McGowan | Macaulay Library New York, March 26, 2015 View Full Species Account Some birds in summer don't molt into breeding plumage; these have whiter necks with dusky vertical stripes. They are smaller than Common Loon with a shorter bill. Also, note overall dark head with a clearly demarcated white throat and short bill. The Pacific Loon and Common Loon in nonbreeding plumage look pretty similar at a glance. Additionally, the Pacific loon has a call similar to that of its relative the Common loon, it is a loud, eerie, oo-loo-lee wail or yodel that can travel for miles and is typically heard during the loon’s breeding season. They also show more extensive white on the sides than Pacific Loons. Nonbreeding birds often show less white on their back that other loons. Red-throated has thinner bill (usually tilted slight up) than Common Loon. Most nonbreeding birds have a dusky chinstrap, but this can be difficult to see. Breeds on lakes and ponds in tundra. Nonbreeding Common Loon has white eye-ring; Pacific Loon has white cresent above and in front of eye. Nonbreeding Pacific Loon has more gray on neck. They also hold their bills up while Pacific Loons hold their bill straight. They also have a jagged collar around the neck while the neck on nonbreeding Pacific Loons is smooth. During the breeding season, they have a silvery head, black-and-white stripes on neck, and white patches on back. Rare stray to inland reservoirs and lakes during migration and winter. Nonbreeding adults are dark gray-brown above with very little white feather edging; and whitish below, sometimes with a neat dark line or chinstrap across the throat. Most nonbreeding birds have a dusky chinstrap, but this can be difficult to see. Head and neck are gray. Arctic Loons are rarely encountered in the Lower 48. Daggerlike bill typically held horizontally. In breeding plumage, the top of the head and back of the neck are pale gray, lighter than the face. Bill is less heavy than Common Loon's but heavier than Red-throated Loon's. Frequently dives to catch fish; often found in loose flocks with species of loons.
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