🐦
Grey-backed Tern
Onychoprion lunatus
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-lunatus"></div>Embed via iframe for maximum compatibility.
<iframe src="https://birdfyi.com/iframe/bird/onychoprion-lunatus/" 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-lunatus/Add a dynamic SVG badge to your README or docs.
[](https://birdfyi.com/bird/onychoprion-lunatus/)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-lunatus"></birdfyi-bird>
Least Concern
طول الجناح
52,2 cm
الوزن
126,21666666666665 g
الفصيلة
Laridae
الرتبة
Charadriiformes
حول
Grey-backed Tern, 35–37 cm, is a Pacific seabird breeding on islands from Hawaii to Micronesia and Polynesia. Pale grey back distinguishes it from the similar Bridled Tern; white below with black cap. Piscivore; surface-dips and shallow plunge-dives. Largely pelagic when not breeding.
Physical Description
| Measurement | Value | Imperial |
|---|---|---|
| طول الجناح | 52,2 cm | 20.6 in |
| الوزن | 126,21666666666665 g | 4.45 oz |
Habitat & Range
حالة الحفاظ
Least Concern
IUCN Red List
السلوك والتكاثر
التعشيش
Nest type: SC. Incubation: 24-35 days. Fledging: 35 days.
عدد البيض في الوضع
1
التصنيف
| Kingdom | Animalia |
| Phylum | Chordata |
| Class | Aves |
| الرتبة | Charadriiformes (Shorebirds & Gulls) |
| الفصيلة | Laridae (Gulls & Terns) |
| Genus | Onychoprion |
| الأنواع | Onychoprion lunatus |
Distribution
Grey-backed Tern has been recorded in 1 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. #}
موجود
Not recorded
countries highlighted
External Databases
الأسئلة الشائعة
Is the Grey-backed Tern endangered?
The Grey-backed Tern has a conservation status of Least Concern.
How does the Grey-backed Tern nest?
Nest type: SC. Incubation: 24-35 days. Fledging: 35 days.
How big is the Grey-backed Tern?
The Grey-backed Tern has a wingspan of 52.2 cm, weight of 126.21666666666665 g.
What order and family does the Grey-backed Tern belong to?
The Grey-backed Tern (Onychoprion lunatus) belongs to the order Charadriiformes and the family Laridae.
Similar Birds
Other species in the Laridae family
Black-tailed Gull
Larus crassirostris
Least Concern
Heermann's Gull
Larus heermanni
Near Threatened
Mongolian Gull
Larus mongolicus
Not Evaluated
Yellow-legged Gull
Larus michahellis
Least Concern
Chinese Crested Tern
Thalasseus bernsteini
Critically Endangered
Armenian Gull
Larus armenicus
Least Concern
Great Black-backed Gull
Larus marinus
Least Concern
Mediterranean Gull
Larus melanocephalus
Least Concern