Lift-off from a floating launchpad sends a pickerel frog high over a dragonfly. Pickerel frogs exude a poisonous chemical from their skins, protecting them from predators.

• 瞧，这好像叫“梭子蛙”，这么一蹦，高过了莲叶上那只蜻蜓。梭子蛙能从皮肤散发出一种有毒的化学物质，这是为了保护自己避免成为捕食者的盘中餐。