Filming animals using a high-resolution digital camera installed on a tripod could offer another way for veterinarians to take an animal's pulse or check its breathing rate.
In the UniSA study, nine species of Adelaide Zoo's animals were filmed for three minutes, up to 40 metres away, picking up tiny movements in the chest cavity that indicate heart and breathing rates.
Animals - Panda - Lion - Sumatran - Tiger
The animals filmed included a giant panda, African lion, Sumatran tiger, orangutan, Hamadryas baboon, koala, red kangaroo, alpaca and a little blue penguin.
UniSA Professor Javaan Chahl, a remote sensing engineer and one of the study leads, says the experiment recorded heart and breathing signal from all the animals.
Study - Contact - Animals - Routine - Prof
"The study was done without any physical contact with the animals and without disrupting their daily routine," Prof Chahl says.
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