Olrog's Gull vs Aleutian Tern
Larus atlanticus в сравнении с Onychoprion aleuticus
Side-by-Side Comparison
| Характеристика | Olrog's Gull | Aleutian Tern |
|---|---|---|
| Научное название | Larus atlanticus | Onychoprion aleuticus |
| Отряд | Charadriiformes | Charadriiformes |
| Семейство | Laridae | Laridae |
| Охранный статус | Near Threatened | Vulnerable |
| Длина | — | — |
| Размах крыльев | 78,3 cm (30.8 in) | 52,4 cm (20.6 in) |
| Масса | 850,0 g (29.98 oz) | 104,88 g (3.70 oz) |
| Питание | -- | -- |
| Размер кладки | -- | 1-4 |
| Population Trend | — | — |
Habitat Comparison
Охранный статус
Near Threatened
Olrog's Gull
Vulnerable
Aleutian Tern
About These Birds
Olrog's Gull
Olrog's Gull, 55–58 cm, is an Endangered South American gull breeding in small colonies in Buenos Aires Province, Argentina. Very similar to Belcher's Gull. Piscivore; entirely dependent on mudflats and estuaries of the Buenos Aires coast. Threatened by industrial development of breeding and foraging sites.
Aleutian Tern
Aleutian Tern, 32–34 cm, breeds colonially in Alaska and Russian Far East, wintering in Southeast Asian waters — one of the most poorly tracked migrations among seabirds. Dark grey above, white below, black cap with white forehead. Piscivore; dives for small fish. Near Threatened.