DR. ARTHUR TUCKER / SCIENCE PHOTO LIBRARY DR. ARTHUR TUCKER / SCIENCE PHOTO LIBRARY
Thermogram of a rhea. The South American rhea (Rhea sp.) is a large flightless bird. Thermograms show emission of infrared radiation, displaying it as colour-coded surface temperatures. The range shown is from 35 degrees Celsius (red), through yellow, green and blue, down to 23 degrees Celsius (purple). Photographed in London Zoo, England.
Model release not required. Property release not required.