Martin Dohrn / Estuary at night in Yala National Park, Sril Lanka. Image taken using infa red camera technology without artificial light.
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Martin Dohrn / Asian elephant family feeding (Elaphus maximus), Yala National Park, Sri Lanka. Image taken at night using infa red camera technology without artificial light.
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Martin Dohrn / Chital / Spotted deer herd (Axis axis), Yala National Park, Sri Lanka. Image taken at night using infa red camera technology without artificial light.
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Martin Dohrn / Zebras (Equus quagga) and wildebeest (Conochaetes taurinus) grazing together, Masai Mara, Kenya. Image taken at night using Thermal Camera technology without artificial lighting.
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Neil Aldridge / Red fox (Vulpes vulpes) tearing flesh off deer carcass at night and leaving frame, North Somerset, United Kingdom. Infa-red technique.