In the eight films that comprise the 1st period, Rossellini enacts the mating rituals of several insects and other animals (such as the dragonfly, spider, bee, praying mantis, earthworm, snail and housefly) with cardboard reduce-outs and foam-rubber sculptures. Green Porno is a series of brief movies on animal sexual conduct. Animal Planet. Discovery Communications. Richard, Michael Graham (9 March 2009).