Northern Royal Albatross vs Wandering Albatross
Diomedea sanfordi 比較対象 Diomedea exulans
Side-by-Side Comparison
| 属性 | Northern Royal Albatross | Wandering Albatross |
|---|---|---|
| 学名 | Diomedea sanfordi | Diomedea exulans |
| 目 | Procellariiformes | Procellariiformes |
| 科 | Diomedeidae | Diomedeidae |
| 保全状況 | Endangered | Vulnerable |
| 体長 | — | 117.0 cm (46.1 in) |
| 翼開長 | 122.2 cm (48.1 in) | 320.0 cm (126.0 in) |
| 体重 | 7577.0 g (267.27 oz) | 9000.0 g (317.47 oz) |
| 食性 | -- | Squid, fish, and crustaceans caught from the ocean surface, often at night. Follows fishing vessels … |
| 一腹卵数 | 1 | 1 |
| Population Trend | — | — |
Size Comparison
Habitat Comparison
Wandering Albatross
Open ocean of the Southern Hemisphere. Breeds on remote sub-Antarctic islands. Spends years at sea between breeding attempts.
Song & Call Comparison
Northern Royal Albatross
Wandering Albatross
At nesting colonies emits a loud braying 'waaah' and guttural grunts. Silent at sea for most of the year. Courtship involves ritualized mutual bill-clapping and moaning calls.
Geographic Range & Migration
Northern Royal Albatross
Wandering Albatross
Southern Ocean circumpolar, breeding on South Georgia, Crozet, Kerguelen, and other sub-Antarctic islands.
保全状況
Northern Royal Albatross
Wandering Albatross
How to Tell Them Apart
Northern Royal Albatross
Wandering Albatross
Adults are mostly white with black trailing edges to the wings. Juveniles are chocolate brown, whitening progressively over 5-10 years. Pink bill and pale feet.
Very large pink bill with a hooked tip and visible tubular nostrils
About These Birds
Northern Royal Albatross
Northern Royal Albatross, 107–122 cm, wingspan 270–320 cm, is one of the largest birds alive. Breeds only on the Chatham Islands, New Zealand (and rarely mainland). Almost entirely white in adult plumage; black cutting edge on upper wing. Circumnavigates the Southern Ocean. Endangered; ~17,000 individuals.
Wandering Albatross
The wandering albatross has the largest wingspan of any living bird, reaching up to 3.5 meters. These oceanic nomads can circumnavigate the globe, covering over 120,000 km per year using dynamic soaring with minimal wing flapping. Pairs mate for life and may live over 60 years.