黑眉锦蛇Elaphe taeniura
地方名：黄颌蛇、菜花蛇
形态特征：体型较大，成体全长1200～2200mm。体背黄绿色或灰褐、灰色，前段有梯形黑纹，后段有4条黑色纵纹延续到尾端。腹面浅灰色，前半部有断续黑斑。头背黄绿色，眼后有一条黑色眉纹，故称“黑眉”。上唇鳞及下颌浅黄色。上唇鳞多为8或9枚，呈3-2-3和4-2-3式，下唇鳞10～12枚。背鳞多为25-25-19行，中段11～23行微弱起棱。腹鳞222～259枚，尾下鳞78～120对，肛鳞二分。
生活习性：生活于平原、丘陵和山地，常在田野、坟地、竹林及民宅附近活动。以鼠类、蛙类、蛇类、蜥蜴、小鸟和鸟卵为食。卵生，6—7月产卵，每产2～13枚，孵化期67～88天。
地理分布：国内除黑龙江、吉林、山东、内蒙古、宁夏、新疆、青海以外，遍及其他各省区；国外分布于日本、俄罗斯远东地区、朝鲜、印度、缅甸、中南半岛，向南达马来半岛北部。
环渤海地区分布：北京、河北、山东。
生存现状：濒危（EN）。
51.Elaphe taeniura taeniura
Description Adults up to 1,200-2,200mm TOL, body size is relatively large.Body dorsum is yellowish green, greyish brown or grey; front part is of trapezoidal black stripes;four black ventral lines extending to the tail end in the rear part.Ventral surface is light grey, and the first part has intermittent black spots.Head dorsum is yellowish green; a black eyebrow supercilium at the back of eyes, also known as Elaphe taeniura taeniura; 8-9 supralabials are arranged in 3-2-3 or 4-2-3 rows and 10-12 infralabials.Dorsal scales are arranged in 25-25-19 rows, 11-23 rows are slightly ribbed; 222-259 ventral scales, 78-120 subcaudals; 2 anal plates on the anus.
Behaviour Elaphe taeniura live in plains, hills and mountains, and they often move around fields, cemeteries, bamboo groves and homes.They feed on frogs, snakes, lizards,birds and bird eggs as food.This species is ovoviviparous, they pawn in June to July and produce 2-13 eggs at a time, with a incubation period of 67-88 days.
Distribution China: everywhere, not in Heilongjiang, Jilin, Shandong, Inner Mongolia,Ningxia, Xinjiang, and Qinghai.At abroad: in Japan, the Russian Far East, North Korea,India, Myanmar, Indo-china Pen to the north of the peninsula to South Dakota.Distribution around Bohai Sea: everywhere except for Shandong Province where is not reported.
Conservation Endangered (EN).
