Aleutian Tern
Onychoprion aleuticus
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<birdfyi-bird slug="onychoprion-aleuticus"></birdfyi-bird>The Aleutian Tern (Onychoprion aleuticus) is a bird species in the family Laridae (gulls & terns), within the order Charadriiformes (shorebirds & gulls). Recorded measurements include a wingspan of 52.4 cm and a weight of 104.9 g. The IUCN Red List classifies it as Vulnerable.
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About
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| Wingspan | 52.4 cm | 20.6 in |
| Weight | 104.88 g | 3.70 oz |
Habitat & Range
Conservation Status
Behavior & Breeding
Nesting
Nest type: NO,SC. Incubation: 22-27 days. Fledging: 26-28 days.
Clutch Size
1-4
Taxonomy
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| Order | Charadriiformes (Shorebirds & Gulls) |
| Family | Laridae (Gulls & Terns) |
| Genus | Onychoprion |
| Species | Onychoprion aleuticus |
Distribution
Aleutian Tern has been recorded in 2 countries.
countries highlighted
External Databases
Frequently Asked Questions
Is the Aleutian Tern endangered?
How does the Aleutian Tern nest?
How big is the Aleutian Tern?
What order and family does the Aleutian Tern belong to?
Similar Birds
Other species in the Laridae family