Young male keeled skimmer dragonfly (Orthetrum coerulescens), resting on plant stem, Lesbos (Lesvos), Greece, Europe

Bornean keeled green pit viper (Tropidolaemus subannulatus), Tanjung Puting National Park, Kalimantan, Borneo, Indonesia, Southeast Asia, Asia

Bornean keeled green pit viper (Tropidolaemus subannulatus), Tanjung Puting National Park, Kalimantan, Borneo, Indonesia, Southeast Asia, Asia

Adult paradoxical keeled millipede, Family Paradoxosomatidae, on a stump within the Pacaya Samiria Preserve, Peru.

Flat keeled freighter in motion, Frisia VII, with supplies for Juist Island, Lower Saxony, Wadden Sea, Germany, Europe

Orthetrum coerulescens, Keeled Skimmer female

Orthetrum coerulescens, Keeled Skimmer female

Bornean Keeled Green Pit Viper (Tropidolaemus subannulatus) on a branch, Belitung, Indonesia, Philippines