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The cameras observe lemurs in their natural habitat, male red giraffe-necked weevils fighting one other and the courting rituals of chameleons.

The wildlife featured this week includes cyanide-eating lemurs, cannibalistic frogs, carnivorous plants, tadpole-eating wasps, tunnel-digging chameleons and house-proud flycatchers.

This episode focuses on the desert-like west and south of Madagascar. It might not rain there for nine months of the year and some years not at all. To live here, you have to be a specialist.