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

Jeff Foott / Whirligig Geyser, Norris Geyser Basin, Yellowstone National Park, Wyoming

Stephen Dalton / Whirligig beetles (Gyrinidae) on water surface, Florida, USA, February.

Michael Durham / Two Whirligig / Gyrinidae beetles (Dineutus sp) swimming on pond, Central Texas, USA, March.

Michael Durham / Whirligig / Gyrinidae beetle (Dineutus sp) swimming on pond, Central Texas, USA, March.

Jan Hamrsky / Whirligig beetle (Gyrinidae) swimming on the water surface, Europe, June, controlled conditions

Jan Hamrsky / Whirligig beetle (Gyrinidae) swimming on the water surface, Europe, June, controlled conditions

Jan Hamrsky / Whirligig beetle (Gyrinidae) swimming on the water surface, Europe, June, controlled conditions

Jan Hamrsky / Whirligig beetle (Gyrinidae) swimming on the water surface, Europe, June, controlled conditions

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

Michael Durham / Whirligig Beetle (Dineutus sp) group swimming in water, central Texas

Michael Durham / Whirligig Beetle (Dineutus sp) group swimming in water, central Texas