Grey Noddy vs Heermann's Gull
Anous albivittus в сравнении с Larus heermanni
Side-by-Side Comparison
| Характеристика | Grey Noddy | Heermann's Gull |
|---|---|---|
| Научное название | Anous albivittus | Larus heermanni |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Least Concern | Near Threatened |
| Длина | — | — |
| Размах крыльев | 40,4 cm (15.9 in) | 67,2 cm (26.5 in) |
| Масса | 67,0 g (2.36 oz) | 448,26666666666665 g (15.81 oz) |
| Питание | -- | -- |
| Размер кладки | 1 | 1-2 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Least Concern
Grey Noddy
Near Threatened
Heermann's Gull
About These Birds
Grey Noddy
Grey Noddy is a small tern-like seabird, 28–32 cm, found across the central and western Pacific on tropical oceanic islands. Pale grey overall with a white crown; nests colonially on ledges. Piscivore, plunge-dives for small fish near reef flats. Pelagic when not breeding.
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.