Dolphin calling, thermogram

Dolphin calling, thermogram

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This image is part of the feature ANIMALS IN HEAT


Caption: Bottlenose dolphin (Tursiops truncatus) calling, thermogram. A thermogram shows variation in temperature on the surface of an object, measured by the long-wave infrared radiation it emits. The temperature scale is colour-coded and runs from purple (8.4 degrees Celsius, coldest) through blue, green and yellow to light red (warmest, 26.2 degrees Celsius). Most aquatic mammals have an insulating layer of blubber beneath their skin.

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Keywords: animal, aquatic, biological, biology, bottlenose dolphin, calling, coloured, endotherm, endothermy, false-coloured, fauna, heat, homeostasis, infrared, infrared camera, ir, long-wave infrared radiation, mammal, nature, thermal imaging, thermogram, thermography, tursiops truncatus, wildlife, zoological, zoology

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