MYN / Gil Wizen / Moth (Automeris sp) wings closed hiding warning eyespots, sequence, Jatun Sacha Biological Station, Napo province, Amazon basin, Ecuador, March. meetyourneighbours.net project

Sebastian Kennerknecht / Sea Otter (Enhydra lutris) veterinarians Mike Murray and Marissa Viens performing surgery on rescued otter as volunteers look on, Monterey Bay Aquarium, Monterey Bay, California

Chris Gomersall / Eye spot on wing of owl butterfly (Caligo genus)

Pete Cairns / Close-up of Common alder leaf {Alnus glutinosa}, Scotland, UK.

Sebastian Kennerknecht / Sea Otter (Enhydra lutris) veterinarians Mike Murray and Marissa Viens performing surgery on rescued otter, Monterey Bay Aquarium, Monterey Bay, California