Improved night vision. It is easier for a cat to navigate at dusk and dawn due to sensitive whiskers.
help in hunting. Whiskers help the cat understand how close prey is. This is partly due to the fact that vibrissae capture odors.
Regulation of body temperature. This is because whiskers help determine the temperature of the environment, food, and liquid.
Expression of emotional state. A relaxed and contented cat’s whiskers usually point forward, while an excited or frightened cat’s whiskers are pressed towards its face.
Security and Protection. A cat can quickly notice danger with the help of its whiskers.
Source: Ferra

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