Lesser Noddy vs Aleutian Tern
Anous tenuirostris 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Lesser Noddy | Aleutian Tern |
|---|---|---|
| 学名 | Anous tenuirostris | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Least Concern | Vulnerable |
| 体長 | — | — |
| 翼開長 | 42.4 cm (16.7 in) | 52.4 cm (20.6 in) |
| 体重 | 106.35 g (3.75 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
Lesser Noddy
Vulnerable
Aleutian Tern
About These Birds
Lesser Noddy
Lesser Noddy: 30–34 cm, smaller and darker than Brown Noddy with a whiter cap sharply demarcated from the dark body and a slender bill. Breeds colonially in mangroves and low bushes on islands of the tropical Indian Ocean and western Pacific. Feeds on small fish and invertebrates by dipping to sea surface. Wingspan 58–63 cm. Partly migratory.
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.