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Flightless cormorant drying its wings. The flightless cormorant is the largest extant member of its family, 89–100 cm (35–39.5 in) in length and weighing 2.5–5.0 kg (5.5–11.0 lb), and its wings are about one-third the size that would be required for a bird of its proportions to fly.
This name was coined for the flightless cormorant, which does indeed have small wings. Genetic studies have found that the neotropic and double-crested cormorants form a clade with the flightless cormorant, and they are thus placed together in the genus Nannopterum despite both species having normal-sized wings and full flight capabilities. [4]
Great cormorant with hooked bill Little cormorant with wings spread. Cormorants and shags are medium-to-large seabirds. They range in size from the pygmy cormorant (Microcarbo pygmaeus), at as little as 45 cm (18 in) and 340 g (12 oz), to the flightless cormorant (Nannopterum harrisi), at a maximum
Little cormorant: Microcarbo niger: 4 Little pied cormorant: Microcarbo melanoleucos: 5 Red-legged cormorant: Poikilocarbo gaimardi: 6 Brandt's cormorant: Urile penicillatus: 7 Red-faced cormorant: Urile urile: 8 Pelagic cormorant: Urile pelagicus: 9 Spectacled cormorant: Urile perspicillatus: 10 Bank cormorant: Phalacrocorax neglectus: 11 ...
Flightless cormorant; N. Neotropic cormorant; This page was last edited on 28 July 2021, at 21:48 (UTC). Text is available under the Creative Commons Attribution ...
Flightless birds are birds that cannot fly, as they have, through evolution, lost the ability to. [1] There are over 60 extant species, [2] including the well-known ratites (ostriches, emus, cassowaries, rheas, and kiwis) and penguins. The smallest flightless bird is the Inaccessible Island rail (length 12.5 cm, weight 34.7
Two birds, the flightless cormorant and the Galápagos crake, which is nearly flightless, evolved to their successful form on the islands without natural predators. On the other hand, there are many mammal species, mostly sea mammals such as whales, dolphins and sea lions.
The holotype associated with Plotopterum, the humeral end of a left coracoid, was roughly the size of those of the extant Brandt's cormorant, but narrower and more rounded. Several of its characteristics, such as the outline of the head, the shape of the bone, the scapular facet and its adjacent shaft were described as reminiscent of cormorants ...