雌性胃育蛙。居然是把卵吞到胃里，卵在胃里发育成小胃育蛙。届时，这些小蛙从雌蛙的嘴里被孵化出来。
The females actually swallow the eggs and they develop in her stomach into small frogs which then hatch out through her mouth.
科学家说日落时分，这种蛙会发出一种“刺耳的尖叫声”，他们顺着这种叫声找到了小蛙。
The scientists said they tracked the frogs by their call, a series of "harsh rasping notes" that began at sundown.
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