Aleutian Tern
Onychoprion aleuticus
Embed This Widget
Add the script tag and a data attribute to embed this widget.
<script src="https://cdn.jsdelivr.net/npm/birdfyi-embed@1/dist/embed.min.js" defer></script>
<div data-birdfyi="bird" data-slug="onychoprion-aleuticus"></div>Embed via iframe for maximum compatibility.
<iframe src="https://birdfyi.com/iframe/bird/onychoprion-aleuticus/" width="420" height="400" frameborder="0" style="border:0;border-radius:10px;max-width:100%" loading="lazy"></iframe>Paste this URL in WordPress, Medium, or any oEmbed-compatible platform.
https://birdfyi.com/bird/onychoprion-aleuticus/Add a dynamic SVG badge to your README or docs.
[](https://birdfyi.com/bird/onychoprion-aleuticus/)Use the native HTML custom element.
<script src="https://cdn.jsdelivr.net/npm/birdfyi-embed@1/dist/embed.min.js" defer></script>
<birdfyi-bird slug="onychoprion-aleuticus"></birdfyi-bird>
Vulnerable
Wingspan
52.4 cm
Weight
104.88 g
Family
Laridae
Order
Charadriiformes
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
Vulnerable
IUCN Red List
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.
{# Distribution Map — simplified SVG world map with highlighted countries. Expects `country_codes` variable: list of ISO alpha-2 codes (e.g. ["US", "CA", "MX"]). Uses Alpine.js to toggle classes on country paths. #}
Present
Not recorded
countries highlighted
External Databases
Frequently Asked Questions
Is the Aleutian Tern endangered?
The Aleutian Tern has a conservation status of Vulnerable.
How does the Aleutian Tern nest?
Nest type: NO,SC. Incubation: 22-27 days. Fledging: 26-28 days.
How big is the Aleutian Tern?
The Aleutian Tern has a wingspan of 52.4 cm, weight of 104.88 g.
What order and family does the Aleutian Tern belong to?
The Aleutian Tern (Onychoprion aleuticus) belongs to the order Charadriiformes and the family Laridae.
Similar Birds
Other species in the Laridae family
African Skimmer
Rynchops flavirostris
Least Concern
Andean Gull
Larus serranus
Least Concern
Antarctic Tern
Sterna vittata
Least Concern
Arctic Herring Gull
Larus smithsonianus
Least Concern
Arctic Tern
Sterna paradisaea
Least Concern
Armenian Gull
Larus armenicus
Least Concern
Atlantic White Tern
Gygis alba
Least Concern
Audouin's Gull
Larus audouinii
Vulnerable