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American white pelicans gathering at Pelican Island National Wildlife Refuge in Florida. Brown pelicans can also be seen in the center, and at the left and right margins. With wings spread, showing black remiges. The American white pelican rivals the trumpeter swan, with a similar overall length, as one of the longest birds native to North ...
The great white pelican is a huge bird—only the Dalmatian pelican is, on average, larger among pelicans. It measures 140 to 180 cm (55 to 71 in) in length [ 6 ] with a 28.9 to 47.1 cm (11.4 to 18.5 in) enormous pink and yellow bill , [ 6 ] and a dull pale-yellow gular pouch.
[74] [72] [71] The only other pelican to feed using a similar technique is the Peruvian pelican, but its dives are typically from a lower height than the brown pelican. [75] The Australian and American white pelicans may feed by low plunge-dives landing feet-first and then scooping up the prey with the beak, but they—as well as the remaining ...
The Peruvian pelican was previously considered a subspecies of the brown pelican, but is now considered a separate species on the basis of its much greater size (around double the weight of the brown pelican), differences in bill color and plumage, and a lack of evidence of hybridization between the forms where their ranges approach and overlap ...
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This species of pelican has declined greatly throughout its range, more so than the white pelican. It is possible that up to 10,000–20,000 pelicans exist at the species level. [ 18 ] During the 20th century, the species' numbers underwent a dramatic decline for reasons that are not entirely understood.
The Australian pelican (Pelecanus conspicillatus) is a large waterbird in the family Pelecanidae, widespread on the inland and coastal waters of Australia and New Guinea, also in Fiji, parts of Indonesia and as a vagrant in New Zealand. It is a predominantly white bird with black wings and a pink bill.
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