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Discover dancing scorpions, courting birds that give trinkets as gifts, mice that mate themselves to death and a mantis that eats its partner in an exploration of strange behaviour in nature's bizarre breeding rituals.

Meet frogs that rear their young under their skin, fish that leap from the water to lay eggs on leaves and a bullfrog father that becomes lifeguard to his offspring. There are fish that change sex, others that bubble-wrap their young, male hamsters that act as midwives and even a male that becomes pregnant. And, in this weird world, discover a shrew that creates a living daisy chain of its own young.