Bernard Castelein / Orange Tip (Anthocharis cardamines) at rest on Cuckoo-flower (Cardamine pratensis) Wuustwezel, Belgium, April

Benjamin Barthelemy / Male Azure damselfly (Coenagrion puella) resting on a leaf, Vallee de la Seille (Seille Valley), Lorraine, France, June

Juergen Freund / Sand bubbler crab (Dotillidae) sand pellets and holes, Daintree, Queensland, Australia

John Cancalosi / Blue Morpho (Morpho peleides) caterpillar on leaf. Costa Rica.

John Cancalosi / Blue Morpho (Morpho peleides) eggs on leaf. Costa Rica.

John Cancalosi / Blue Morpho (Morpho peleides). Costa Rica.

John Cancalosi / Hooded mantis (Choeradodis rhombifolia) on leaf, Costa Rica, July

John Cancalosi / Hooded mantis (Choeradodis rhombifolia) climbing twig, Costa Rica, July

John Cancalosi / Hooded mantis (Choeradodis rhombifolia) on stem, Costa Rica, July

John Cancalosi / Haloween / Red Land Crab (Gecarcinus quadratus). Costa Rican tropical rainforest.

Bernard Castelein / Orange Tip Butterfly (Anthocharis cardamines) at rest on Cuckoo-flower (Cardamine pratensis) Wuustwezel, Belgium, April

Robert Thompson / Marine springtail / bristletail (Petrobius maritimus) adult resting on stones, Lough Muree, County Clare, Republic of Ireland, August