What should you do?
Slow down, especially at dawn, dusk and night, and use full beam when appropriate to spot eyes reflecting at the roadside.
How to recognise it
Yellow diamond with a black leaping deer.
Common confusion
Different from the cattle and farm animals or sheep signs, which warn of livestock that may be herded on the road.
Explanation written by the My Driving Test editorial team using the Department of Transport Traffic Signs Manual conventions and the RSA Rules of the Road.
