Heermann's Gull vs Aleutian Tern
Larus heermanni 比較対象 Onychoprion aleuticus
Side-by-Side Comparison
| 属性 | Heermann's Gull | Aleutian Tern |
|---|---|---|
| 学名 | Larus heermanni | Onychoprion aleuticus |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Near Threatened | Vulnerable |
| 体長 | — | — |
| 翼開長 | 67.2 cm (26.5 in) | 52.4 cm (20.6 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 104.88 g (3.70 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-2 | 1-4 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Heermann's Gull
Vulnerable
Aleutian Tern
About These Birds
Heermann's Gull
ヒアマンカモメはカリフォルニア沿岸と下バハ・カリフォルニアの島々に繁殖し、暗色の体と赤い嘴が特徴的なカモメである。
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.