Goniurellia tridens is a species of fruit flies. Each wing of a Goniurellia tridens fly is transparent and bears a “precisely detailed image of an ant-like insect”. Which, it might have evolved to avoid predators.

Derinkuyu Underground City Turkey, is an ancient multi-level underground complex, extending to a depth of approximately 85 metres (280 ft). It is large enough to have sheltered as many as 20,000 people together with their livestock and food stores. Believed to be built during 8th-7th century BC.

Male Mandarin Duck
Size - 41 to 49 cm
Weight - 0.4 to 0.7 Kg
Native - East Asia and part of West Europe
Conversation status - Least Concern
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