n.蚓螈（无足目约150种两栖动物的统称）

Caecilians are limbless, snake-like amphibians found in moist tropical and subtropical regions.
蛇形无肢两栖动物，常见于潮湿的热带和亚热带地区。
They have a slender body and a flattened head with nostrils on the sides of their snout.
它们的身体细长，头部扁平，鼻孔位于口鼻两侧。
Caecilians primarily feed on earthworms, insects, and small vertebrates like frogs and lizards.
主要以蚯蚓、昆虫和小型脊椎动物如蛙和蜥蜴为食。
These creatures undergo a unique type of reproduction called viviparity, giving birth to live young.
它们采用独特的胎生繁殖方式，直接生下活体幼崽。
Some caecilians have venomous saliva to subdue their prey.
有些种类的盲蛇有有毒唾液来制服猎物。
They are often nocturnal and burrow in soil or leaf litter, making them difficult to spot.
大多是夜间活动，常在土壤或落叶堆中挖掘洞穴，不易被发现。
Conservation efforts are crucial for caecilian populations, as they face habitat loss and hunting.
对盲蛇种群的保护至关重要，因为它们面临栖息地丧失和过度捕猎的问题。
Caecilians play an important role in nutrient cycling within their ecosystems.
在生态系统中，它们在养分循环中起着关键作用。
They are often overlooked by researchers due to their secretive lifestyle and nocturnal habits.
因为它们隐秘的生活方式和夜间习性，常常被科研人员忽视。
Despite their relatively small size, caecilians can be significant indicators of environmental health.
尽管体型不大，盲蛇却是环境健康的重要指标。