Kim Taylor / Whirligig Beetle (Gyrinus sp) on the surface of a pond. Surrey, UK

Nick Upton / Axolotl / Mexican salamander (Ambystoma mexicanum), golden albino form, critically endangered in the wild, UK captive.

Claudio Contreras / Axolotl (Ambystoma mexicanum), captive. Critically endangered species.

Stephen Dalton / Whirligig beetles (Gyrinus marinus) on water surface, UK

Kim Taylor / Whirligig Beetles (Gyrinus sp) on the surface of a pond. Surrey, UK

Kim Taylor / Whirligig Beetles (Gyrinus sp) on the surface of a pond. Surrey, UK

Barry Mansell / Whirligig beetles {Gyrinus sp} in circular formation on water surface, USA

Kim Taylor / Whirligig Beetles (Gyrinus sp) on the surface of a pond. Surrey, UK

Nature Production / Whirligig beetle {Gyrinus japonicus} Japan

Will Watson / Two Whirligig beetles (Gyrinus substriatus) on pebbles in stream, Laugherne Brook Local Nature Reserve, Worcester, England, UK. December. Controlled conditions using microscopy.

Will Watson / Whirligig beetle (Gyrinus substriatus) portrait, side view showing 2 pairs of eyes, Monkland Brook, Herefordshire, England, UK. September. Controlled conditions using microscopy. Focus stacked and ret...

Alejandro Prieto / Axolotl (Ambystoma mexicanum) swimming in a shallow stream, Manantlan reserve, Jalisco, Mexico. Critically endangered.