Brown Noddy vs Heermann's Gull
Anous stolidus เปรียบเทียบกับ Larus heermanni
Side-by-Side Comparison
| คุณสมบัติ | Brown Noddy | Heermann's Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anous stolidus | Larus heermanni |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 53.1 cm (20.9 in) | 67.2 cm (26.5 in) |
| น้ำหนัก | 184.66666666666666 g (6.51 oz) | 448.26666666666665 g (15.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Brown Noddy
Near Threatened
Heermann's Gull
About These Birds
Brown Noddy
Brown Noddy: 38–45 cm, wingspan 75–86 cm, chocolate-brown tropical tern with a white cap fading to grey on the forehead and a wedge-shaped tail. Highly abundant colonial seabird nesting on oceanic islands and coral atolls throughout tropical and subtropical oceans. Plunge-dives for small fish and invertebrates. Long-lived. Partly migratory.
Heermann's Gull
Heermann's Gull, 46–51 cm, is distinctive — dark grey body, white head (breeding), red bill. Breeds almost entirely on Isla Rasa in the Gulf of California, then disperses north along the Pacific coast to British Columbia. Kleptoparasite; steals fish from Brown Pelicans. Near Threatened; range highly restricted.