The white tail of the rabbit is believed by Wallace to serve as a danger signal.
Where such markings occur on gregarious animals, Wallace believes that they have been evolved by natural selection, either to enable their possessors to recognize one another, or to act as a danger signal to their fellows.
Its gregarious brethren, the Cattle Egrets (Bubulcus coromandus), on the other hand, display no danger signal.
No person other than the fire-boss shall remove or go beyond any caution board or danger signal placed at the entrance to any working place, or to the entrance to any old workings in a mine.
No person shall go beyond a danger signal, until all standing gas discovered has been removed or diluted and rendered harmless by a current of air.
If you cannot sleep well, it is a signal that something is wrong with your health, or your habits--a danger signal of great importance, which should be attended to at once.
Nature has provided a danger signal--fatigue, or "tiredness.
Next after fatigue the most valuable danger signal given us by our nerves is that commonest of all pains, headache.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "danger signal" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
