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Albatross plumes were popular in the early 20th century. In 1909 alone, over 300,000 albatrosses were killed on Midway Island and Laysan Island for their plumes. [20] Another threat to albatrosses is introduced species, such as rats or feral cats, which directly attack albatrosses or their chicks and eggs. Albatrosses have evolved to breed on ...
The snowy albatross and the southern royal albatross are the largest of the albatrosses and are among the largest of flying birds. They have the largest wingspans of any bird, being up to 3.5 m (11 ft) from tip to tip, although the average is a little over 3 m (9.8 ft).
The northern royal albatross is typically about 115 cm (45 in), [8] weighs 6.2 to 8.2 kg (14–18 lb), and has a wingspan from 270 to 305 cm (106–120 in). [3] [9] The juvenile has a white head, neck, upper mantle, rump, and underparts. There is dark speckling on the crown and rump.
The laysan albatross averages 32 in in length and has a wingspan of 77–80 in. They have the largest wingspan of any bird. The Laysan albatross feeds predominantly on cephalopods , but also eats ...
The southern royal albatross has a length of 112 to 123 cm (44–48 in) [13] and a mean weight of 8.5 kg (19 lb). At Campbell Island, 11 males were found to have a mean mass of 10.3 kg (23 lb) and 7 females were found to have a mean mass of 7.7 kg (17 lb), thus may be heavier on average than most colonies of wandering albatross. [4]
The snowy albatross has the longest wingspan of any living bird, reaching upwards of 3.5 m (11 ft), [12] [13] with a mean span of 3.1 m (10 ft 2 in) in Bird Island, South Georgia. Wingspan measured an average of 3 m (9 ft 10 in) in 123 birds measured off the coast of Malabar, New South Wales .
The black-browed albatross is a medium-sized albatross, at 80 to 95 cm (31–37 in) long with a 200 to 240 cm (79–94 in) wingspan and an average weight of 2.9 to 4.7 kg (6.4–10.4 lb). [3] 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.
Wisdom, the legendary Laysan albatross or mōlī, stands at center over her recently laid egg with other seabirds around the ground nest on Midway Atoll National Wildlife Refuge, Nov. 27, 2024.