Heermann's Gull vs Least Tern
Larus heermanni 比較対象 Sternula antillarum
Side-by-Side Comparison
| 属性 | Heermann's Gull | Least Tern |
|---|---|---|
| 学名 | Larus heermanni | Sternula antillarum |
| 目 | Charadriiformes | Charadriiformes |
| 科 | Laridae | Laridae |
| 保全状況 | Near Threatened | Least Concern |
| 体長 | — | — |
| 翼開長 | 67.2 cm (26.5 in) | 33.0 cm (13.0 in) |
| 体重 | 448.26666666666665 g (15.81 oz) | 46.75 g (1.65 oz) |
| 食性 | -- | -- |
| 一腹卵数 | 1-2 | 1-3 |
| Population Trend | — | — |
Habitat Comparison
保全状況
Near Threatened
Heermann's Gull
Least Concern
Least 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。
Least Tern
Least Tern is North America's smallest tern, 22–24 cm, breeding on sandy beaches and river sandbars from the Atlantic coast to the interior. Endangered (interior subspecies). Yellow bill, white forehead, grey upperparts. Hovers and plunge-dives for small fish in coastal and riverine habitats.