Birds of Haida Gwaii (3)Family Laridae
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
|
South Polar Skua Catharacta maccormicki |
X>Y L53cm W132cm |
casual | ||
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Jaegers Predatory seabirds with long, pointed, angled wings. Adult plumage and long central tail feathers take three or four years to develop. Complex and variable plumages make identification extremely difficult. Most molts occur after the fall migration. |
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Pomarine Jaeger Stercorarius pomarinus |
X>Y L53cm W122cm |
rare | transient | |
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Parasitic Jaeger Stercorarius parasiticus |
X>Y L48cm W107cm |
uncommon | transient | |
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Long-tailed Jaeger Stercorarius longicaudus |
X>Y L56cm W102cm |
rare | transient | |
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Gulls A large, widespread group; often called seagulls, but many species nest inland. Gulls take from about two to four years to reach their first full breeding plumage. Many are highly variable and hard to identify in immature plumage. Most species have a complete molt in late summer and a partial molt in spring. |
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Franklin's Gull Larus heermanni |
Y>X L48cm W130cm |
accidental | ||
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Bonaparte's Gull Larus philadelphia |
L34cm W84cm |
rare | transient | |
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Ring-billed Gull Larus delawarensis |
Y>X L45cm W122cm |
rare | ||
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Mew Gull Larus canus |
Y>X L41cm W109cm |
uncommon common |
Summer Winter |
yes |
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California Gull Larus californicus |
Y>X L53cm W137cm |
uncommon | transient, Fall | |
|
Black-tailed Gull Larus californicus |
L53cm W137cm |
accidental | ||
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Herring Gull Larus argentatus |
Y>X L64cm W147cm |
rare uncommon |
Summer Winter |
|
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Glaucous Gull Larus hyperboreus |
Y>X L69cm W152cm |
rare | ||
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Thayer's Gull Larus thayeri |
Y>X L58cm 140cm |
uncommon | Winter | |
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Western Gull Larus occidentalis |
Y>X L64cm W147cm |
rare | Winter | |
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Glaucous-winged Gull Larus glaucescens |
Y>X L66cm W147cm |
common abundant |
Summer Winter |
yes |
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Black-Legged Kittiwake Rissa tridactyla |
Y>X L43cm W91cm |
common uncommon rare |
transient Summer Winter |
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Red-legged Kittiwake Rissa brevirostris |
Y>X L38cm W84cm |
accidental | ||
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Sabine's Gull Xema sabini |
Y>X L34cm W84cm |
uncommon | transient | |
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Terns Distinguished from gulls by long, pointed wings and bill and by feeding technique. Most terns plunge-dive into the water after prey. Most species have a forked tail. |
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Caspian Tern Sterna caspia |
Y>X L53cm W127cm |
rare | Spring/Summer | |
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Arctic Tern Sterna paradisaea |
L39cm W79cm |
rare | transient, Fall | |
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Aleutian Tern Sterna aleutica |
L34cm W74cm |
accidental | ||
These black and white "penguins of the north" have set back legs that give them and upright stance on land. In flight, wingbeats are rapid and shallow.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
|
Common Murre Uria aalge |
L45cm |
common common |
Spring/Summer Winter |
yes |
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Thick-billed Murre Uria lomvia |
L46cm | casual | ||
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Pigeon Guillemot Cepphus columba |
L34cm |
common rare |
Spring/Summer Winter |
yes |
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Marbled Murrelet Brachyramphus perdix |
L25cm | common | Spring/Summer | yes |
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Ancient Murrelet Synthliboramphus antiquus |
L25cm |
abundant uncommon |
Spring/summer Winter |
yes |
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Cassin's Auklet Ptychoramphus aleuticus |
L23cm | abundant | Spring/Summer | yes |
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Rhinoceros Auklet Cerorhinca monocerata |
L38cm |
abundant uncommon |
Spring/Summer Fall, transient |
yes |
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Horned Puffin Fratercula corniculata |
L38cm | rare | Spring/Summer | yes |
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Tufted Puffin Fratercula cirrhata |
L38cm | uncommon | Spring/Summer | yes |
The larger of these species are called pigeons, the smaller ones doves. All are strong, fast fliers. Juveniles have pale-tipped feathers, lack the neck markings of adults. Pigeons and doves feed chiefly on grain, other seeds, and fruit.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Band-tailed Pigeon Columba fasciata |
Y>X L37cm |
rare | Spring/Winter | |
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Rock Dove Columba livia |
L32cm | rare | introduced | |
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Mourning Dove Zenaida macroura |
Y>X L31cm |
casual |
These distinctive birds of prey are divided by structural differences into two families, the barn Owls (Tytonidae) and the typical Owls Strigidae). All have immobile eyes in large heads and a very sophisticated hearing system. Fluffy plumage makes their flight nearly soundless. Many species hunt at night and roost during the day.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Short-eared Owl Asio flammeus |
X>Y L38cm |
rare | transient Fall | |
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Long-eared Owl Asio otus |
X>Y L38cm |
accidental | ||
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Great Horned Owl Bubo virginianus |
X>Y L56cm |
accidental | ||
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Snowy Owl Nyctea scandiaca |
X>Y L58cm |
rare | Fall/Winter | |
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Northern Saw-whet Owl Aegolius acadicus |
X>Y L20cm |
uncommon | resident | yes |
Wide mouths help these night-hunters snare flying insects. Most species are best located and identified by their distinctive calls.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
|
Common Nighthawk Chordeiles minor |
L22cm | casual |
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
|
Black Swift Cypseloides niger |
L18cm | casual | ||
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Vaux's Swift Chaetura vauxi |
L12cm | casual |
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Anna's Hummingbird Calypte anna |
L10cm | rare | ||
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Rufous Hummingbird Selasphorus rufus |
X>Y L10cm |
common | Spring/Summer | yes |
Stocky and short-legged, with a large head, a large bill, and in two American species, a ragged crest. Look for Kingfishers near woodland streams, ponds and coastal areas. They can hover over water or watch from low perches, then plunge headfirst to catch small fishes. With strong bill and feet, they also dig nest burrows in stream banks
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Belted Kingfishers Ceryle alcyon |
L33cm | common | resident | yes |
Strong claws, short legs, and stiff tail feathers enable woodpeckers to climb tree trunks. Sharp bill is used to chisel out insect food and nest holes, and to drum a territorial signal to rivals.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Lewis' Woodpecker Melanerpes lewis |
L27cm | casual | ||
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Northern Flicker Colaptes auratus |
L32cm | uncommon | resident | yes |
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Sapsuckers These woodpeckers drill evenly spaced rows of holes in trees, then visit these "wells" for sap and the insects it attracts. All four species have a white rump, white wing patches, and at least some yellow on the belly. Calls include plaintive mews. |
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Red-breasted Sapsucker Sphyrapicus ruber |
L22cm | uncommon | resident | yes |
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Downy Woodpecker Picoides pubescens |
Y>X L17cm |
casual | ||
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Hairy Woodpecker Picoides villosus |
Y>X L24cm |
uncommon | resident | yes |
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Pileated Woodpecker Dryocopus pileatus |
Y>X L42cm |
hypothetical | ||
A typical flycatcher darts out from a fixed perch to catch insects. Most have a large head, bristly "whiskers," and a broad-based, flat bill.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Empidonax Flycatchers All empids are drab, with pale eye rings and wing bars. From spring to summer, plumages grow duller from wear. Some species molt before fall migration, acquiring fresh plumage in late summer. Identification depends on voice, habitat, behavior, and subtle differences in size, bill shape, primary projection, and tail length. Most flip their tail up |
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Pacific-slope Flycatcher Empidonax difficillis |
L14cm | common | Summer | yes |
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Say's Phoebe Sayornis saya |
L19cm | casual | ||
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Eastern Kingbird Tyrannus tyrannus |
L22cm | casual | Spring/Summer | |
These masked hunters scan the countryside from lookout perches, then swoop down on insects, rodents, snakes, small birds. Known as "butcher-birds", they mostly impale their prey on thorns. Recent research indicates that this is to mark territory and attract mates.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Northern Shrike Lanius excubitor |
L25cm | casual |
Harsh voice and aggressive manner draw attention to these large, often gregarious birds. Crows and raven are somber in hue, jays and magpies more colourful. In most species, bristles cover nostrils. Powerful all-purpose bill efficiently handles a varied diet.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
|
Steller's Jay Cyanocitta stelleri |
L29cm | uncommon | resident | yes |
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Clark's Nutcracker Nucifraga columbiana |
L31cm | casual | ||
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Northwestern Crow Corvus caurinus |
L41cm | common | resident | yes |
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Common Raven Corvus corax |
Y>X L61cm |
common | resident | yes |
Ground dwellers of open fields, larks are slender-billed seed and insect eaters. They seldom alight on trees or bushes. On the ground, they walk rather then hop.
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
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Sky Lark Alauda arvensis |
L18cm | accidental | ||
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Horned Lark Eremophila alpestris |
L17-20cm | casual |
Slender bodies with long, pointed wings resemble swifts, but wrist angle is sharper and farther from the body; flight is more fluid. Adept aerialists, swallows dart to catch flying insects. Flock perch in long rows on branches and wires
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NAME |
SIZE |
ABUNDANCE |
RESIDENCE | NESTING |
|
Tree Swallow Tachycineta bicolor |
L15cm | common | Spring/Summer | yes |
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Violet-green Swallow Tachycineta thalassina |
L13cm | casual | ||
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Purple Martin Progne subis |
L20cm | hypothetical | ||
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Cliff Swallow Petrochelidon pyrrhonota |
L14cm | casual | ||
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Cliff Swallow Petrochelidon pyrrhonota |
L14cm | accidental | ||
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Barn Swallow Hirundo rustica |
L17cm | common | Spring/Summer | yes |
This page was last modified: March 19, 2002
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