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The adult white-tailed tropicbird is a slender, mainly white bird, 71–80 cm long including the very long central tail feathers, which double its total length. The wingspan is 89–96 cm. The bird has a black band on the inner wing, a black eye-mask, and an orange-yellow to orange-red bill. [ 8 ]
The white-tailed eagle (Haliaeetus albicilla), sometimes known as the 'sea eagle', [4] is a large bird of prey, widely distributed across temperate Eurasia.Like all eagles, it is a member of the family Accipitridae (or accipitrids) which also includes other diurnal raptors such as hawks, kites, and harriers.
At up to 6.9 kg (15 lb 3 oz), the white-tailed eagle is the largest eagle in Europe. Bald eagles can weigh up to 6.3 kg (13 lb 14 oz), making them the largest eagle native to North America. There are exceptional records of even heavier individuals in both the white-tailed and bald eagles, although not surpassing the largest Steller's sea eagles.
The first seabirds evolved in the Cretaceous period, while modern seabird families emerged in the Paleogene. Seabirds generally live longer, breed later and have fewer young than other birds, but they invest a great deal of time in their young. Most species nest in colonies, varying in size from a few dozen birds to millions.
White-tailed tropicbird, P. lepturus (widespread in tropical waters, except in the eastern Pacific) The red-billed tropicbird is basal within the genus. The split between the red-billed tropicbird and the other two tropicbirds is hypothesized to have taken place about six million years ago, with the split between the red-tailed and white-tailed ...
Skuas are medium to large birds, typically with grey or brown plumage, often with white markings on the wings. [6] The skuas range in size from the long-tailed skua, Stercorarius longicauda, at 310 grams (0.68 pounds), to the brown skua, Stercorarius antarcticus, at 1.63 kg (3.6 lb). On average, a skua is about 56 cm (22 in) long, and 121 cm ...
Image credits: Nature Photographer of the Year (NPOTY) 2024 #3 Category Mammals: Highly Commended, "Gone Fishing" By Hannes Lochner "A small-spotted genet visits a water pond for a sip and ...
Gulls are typically gray or white, often with black markings on the head or wings. They have longish bills and webbed feet. Terns are a group of generally medium to large seabirds typically with gray or white plumage, often with black markings on the head. Most terns hunt fish by diving but some pick insects off the surface of fresh water.