Scientists found that Goliath frogs, which are Earth's largest living frogs and can be longer than an American football, construct protected ponds for their young by pushing heavy rocks across streams.

科学家发现非洲巨蛙——体型可大于美式足球的、世界上现存的最大的蛙——会推动大石头来拦住溪流，以此为后代建造受保护的池塘。

CAMEROON AND EQUATORIAL GUINEA: Scientists found that Goliath frogs, which are Earth's largest living frogs and can be longer than a football, construct protected ponds for their young by pushing heavy rocks across streams. They live only in this region.

喀麦隆和赤道几内亚：科学家们发现，歌利亚蛙是地球上现存最大的青蛙， 身长可能比足球还长，它们通过将沉重的石头推过溪流来为幼崽建造受保护的池塘。 他们只生活在这个地区。