Description
The Black-browed Albatross is a medium-sized albatross, at 80–95 cm (31–37 in) long with a 200–240 cm (79–94 in) wingspan and an average weight of 2.9–4.7 kg (6.4–10 lb). It can have a natural lifespan of over 70 years. It has a dark grey saddle and upperwings that contrast with the white rump, and underparts. The underwing is predominantly white with broad, irregular, black margins. It has a dark eyebrow and a yellow-orange bill with a darker reddish-orange tip. Juveniles have dark horn-colored bills with dark tips, and a grey head and collar. They also have dark underwings. The features that distinguish it from other mollymawks (except the closely related Campbell Albatross) are the dark eyestripe which gives it its name, a broad black edging to the white underside of its wings, white head and orange bill, tipped darker orange. The Campbell Albatross is very similar but with a pale eye. Immature birds are similar to Grey-headed Albatrosses but the latter have wholly dark bills and more complete dark head markings.
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