Black Noddy vs Aleutian Tern
Anous minutus 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Black Noddy | Aleutian Tern |
|---|---|---|
| 学名 | Anous minutus | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 44.4 cm (17.5 in) | 52.4 cm (20.6 in) |
| 体重 | 112.5 g (3.97 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Least Concern
Black Noddy
Vulnerable
Aleutian Tern
About These Birds
Black Noddy
Black Noddy: 35–39 cm, wingspan 66–72 cm, all-dark seabird similar to Brown Noddy but smaller and more slender-billed with a sharper white cap. Breeds colonially on oceanic islands of the tropical Pacific, Atlantic, and Indian Oceans. Nests in trees and cliff ledges. Feeds on small fish and invertebrates near the ocean surface.
Aleutian Tern
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.