Blue Noddy vs Heermann's Gull
Anous ceruleus เปรียบเทียบกับ Larus heermanni
Side-by-Side Comparison
| คุณสมบัติ | Blue Noddy | Heermann's Gull |
|---|---|---|
| ชื่อวิทยาศาสตร์ | Anous ceruleus | Larus heermanni |
| อันดับ | Charadriiformes | Charadriiformes |
| วงศ์ตระกูล | Laridae | Laridae |
| สถานะการอนุรักษ์ | Least Concern | Near Threatened |
| ความยาว | — | — |
| กว้างปีก | 35.2 cm (13.9 in) | 67.2 cm (26.5 in) |
| น้ำหนัก | 51.85 g (1.83 oz) | 448.26666666666665 g (15.81 oz) |
| อาหาร | -- | -- |
| จำนวนไข่ | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
สถานะการอนุรักษ์
Least Concern
Blue Noddy
Near Threatened
Heermann's Gull
About These Birds
Blue Noddy
Blue Noddy is a tiny seabird, 25–28 cm, restricted to tropical Pacific atolls including Hawaii and Tuamotu. Pale blue-grey above, whitish below, with a distinctive pale cap. Piscivore; flutters low over lagoons picking prey from the surface. Near Threatened.
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.