Juergen Freund / Timelapse of a Cairns birdwing (Ornithoptera euphorion) butterfly caterpillar metamorphosing into a chrysalis, Queensland, Australia, April.

Juergen Freund / Timelapse of a Cairns birdwing (Ornithoptera euphorion) butterfly caterpillar emerging from egg on an Dutchman's pipe (Aristolochia) leaf and feeding, Queensland, Australia, April.

Heike Odermatt / New growth in recently burnt heathland, Netherlands

James Dunbar / Timelapse of a Tiger longwing (Heliconius hecale) forming a chrysalis. Controlled conditions. Native to South and Central America.

Theo Bosboom / Common blue damselfly (Enallagma cyathigerum) close up of recently emerged damselfly, including the green liquids that are used to pump up the wings. Hondenven, Tubbergen, the Netherlands. July.

Theo Bosboom / Common blue damselfly (Enallagma cyathigerum) close up of the wings of a just emerged damselfly, including the green liquids that are used to pump up the wings. Hondenven, Tubbergen, the Netherlands....

Lucas Bustamante / Coastal glassfrog (Cochranella litoralis) on leaf with eggs. San Lorenzo, Esmeraldas, Ecuador.

Ingo Arndt / Mayfly (Palingenia longicauda) hanging on leaf and moulting, Tisza river, Hungary, sequence 5/7, June

Ingo Arndt / Mayfly (Palingenia longicauda) hanging on leaf and moulting, Tisza river, Hungary, sequence 6/7, June

Ingo Arndt / Mayfly (Palingenia longicauda) hanging on leaf and moulting, Tisza river, Hungary, sequence 3/7, June

Ingo Arndt / Deaths head hawk moth pupa in soil {Acherontia atropos} Germany

Jan Hamrsky / Summer mayfly nymph (Siphlonurus lacustris), Europe, May. Controlled conditions.