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The exposed culmen (or the measurement along the top of the upper mandible) is 18.8 to 24 cm (7.4 to 9.4 in), the third longest bill among extant birds after pelicans and large storks, and can outrival the pelicans in bill circumference, especially if the bill is considered as the hard, bony keratin portion. [19]
It has a very large bill that is laterally compressed and is deeply curved in profile giving the bird a very distinctive appearance. This bill, the largest of any passerine at 8–9 cm (3.1–3.5 in) in length, is black with a white tip and has deep nasal grooves with only light nasal bristle covers. [6] This raven has very short feathers on ...
The Australian pelican's bill may grow up to 0.5 m (1.6 ft) long in large males, [53] the longest of any bird. [4] Pelicans have mainly light-coloured plumage, the exceptions being the brown and Peruvian pelicans. [54] The bills, pouches, and bare facial skin of all species become brighter before breeding season commences. [55]
The most distinctive feature of the species is the enormous bill, which is 8–12 centimetres (3.1–4.7 in) long. [12] The bill is the largest of any hummingbird and the largest with respect to body length for any bird. [10] The sword-billed hummingbird displays sexual dimorphism. Males have shorter bills but longer wings and tails than females.
The majority of this length is due to the hummingbird's extreme tail streamers. Another size champion among hummingbirds is the sword-billed hummingbird, a fairly large species of which approximately half of its 21 cm (8.3 in) length derives from its bill. This is by far the largest bill-to-body-size ratio of any bird. [66]
Its disproportionally long bill curves downward and measures 11.3–21.9 cm (4 + 1 ⁄ 2 – 8 + 5 ⁄ 8 in), and rivals the bill of the larger-bodied Far Eastern curlew as the longest bill of any shorebird. [4] Individuals have a long neck and a small head. The neck and underparts are a light cinnamon in color, while the crown is streaked with ...
The bill is thinner and the grooves are less marked during the non-breeding season. It is a large and thick-set bird for an alcid, and its mean weight ranges from 505 to 890 g (17 + 3 ⁄ 4 to 31 + 1 ⁄ 2 oz). [22] The female and male adults are very much alike, having only small differences such as wing length.
Ephippiorhynchus is a small genus of storks.It contains two living species only, very large birds more than 140 cm tall with a 230–270 cm wingspan. Both are mainly black and white, with huge bills.