Polar bear (Ursus maritimus) head, 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 black-dark blue (6.1 degrees Celsius, coldest) through pink, orange and yellow to white (warmest, 34.1 degrees Celsius). The polar bear is adapted to live in a cold environment. Heat loss from its ears is reduced because of their diminutive size. The bear also has a seasonal fat layer and thick fur which insulate it during the winter. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / T-Service |
Bildgröße: | 2200 px × 1307 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |