At night, abundant small insects included midges and other flies, while medium-sized ones includes lacewings and large ones included noctuid moths and hawkmoths.
For example introduced grasses have taken over areas of some islands, while alien animals include moths, salmon, the mallard duck, rabbits, reindeer, sheep and goats.
He's thinking about moths and butterflies, and how they radically change shape as they grow, from little wormy, caterpillar critters to airborne beauties.