Lesser Noddy vs Heermann's Gull
Anous tenuirostris เปรียบเทียบกับ Larus heermanni
Side-by-Side Comparison
| คุณสมบัติ | Lesser Noddy | Heermann's Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anous tenuirostris | Larus heermanni |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 42.4 cm (16.7 in) | 67.2 cm (26.5 in) |
| น้ำหนัก | 106.35 g (3.75 oz) | 448.26666666666665 g (15.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Lesser Noddy
Near Threatened
Heermann's Gull
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.
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.