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・ Red-necked crake
・ Red-necked falcon
・ Red-necked grebe
・ Red-necked nightjar
・ Red-necked pademelon
・ Red-necked phalarope
・ Red-necked pond turtle
・ Red-necked spurfowl
・ Red-crested woodpecker
・ Red-crowned amazon
・ Red-crowned ant tanager
・ Red-crowned barbet
・ Red-crowned crane
・ Red-crowned malimbe
・ Red-crowned parakeet
Red-crowned roofed turtle
・ Red-crowned toadlet
・ Red-crowned woodpecker
・ Red-Dirt Marijuana and Other Tastes
・ Red-eared firetail
・ Red-eared fruit dove
・ Red-eared guenon
・ Red-eared parrotfinch
・ Red-eared slider
・ Red-eared slider × yellow-bellied slider
・ Red-eye effect
・ Red-eye flight
・ Red-eye gravy
・ Red-eye threefin
・ Red-eye wrasse


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Red-crowned roofed turtle : ウィキペディア英語版
Red-crowned roofed turtle

The red-crowned roofed turtle (''Batagur kachuga'') is a critically endangered species of turtle endemic to South Asia. It was the type species of its former genus ''Kachuga''.
==Description==
It can weigh up to and have shells as long as . Males reach only half the length of females. At the end of the rainy season, the heads and necks of male turtles develop a brilliant courtship coloration of red, yellow, white, and blue, with 6 distinctive bright red stripes on top of the head.


The carapace of the young is strongly keeled. The keels are tubercular posteriorly on the second and third vertebral shields. The posterior margin is strongly crenulated. The marginal serrature disappears in adolescent specimens and the vertebral keel, after being reduced to a series of low knobs, vanishes entirely in the full-grown, the carapace of which is very convex. The nuchal shield is small, trapezoidal and broadest posteriorly. The first vertebral is as broad or broader in front as behind. The second vertebral is longer than the third, with which it forms a straight transverse suture. The fourth is longest and forms a broad suture with the third. The second vertebral is broader than long in the young, and as long as broad in the adult. Plastron is angulate laterally in the young. The anterior and posterior lobes are rather narrow and shorter than the width of the bridge, truncate anteriorly and are openly notched posteriorly. The longest median suture is between the abdominals and the shortest is between the gulars, which equals about one half that between the humerals. The suture between gulars and humerals forms an obtuse angle, as does that between humerals and pectorals. The inguinal is large and the axillary is smaller.
The head is moderate size with an obtuse and moderately prominent snout. The jaws have denticulated edges with the upper not notched mesially. Alveolar surfaces are very broad, the median ridge of the upper jaw being somewhat nearer the outer than the inner margin. Choanae are behind the line of the posterior borders of the orbits. The width of the lower jaw at the symphysis equals the diameter of the orbit. The limbs have transversely enlarged, band-like scales which are colored brown above and yellowish below. The nape has red longitudinal lines.



抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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