Rodent Senses

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  1. Sight – nearly blind and use their sense of touch for guidance.
  2. Taste – can taste up to 250 parts per billion.
    • Food Preferences – newborns taste mother’s diet through her milk and prefer the foods she ate when they grew up.
    • Taste Aversions – rodents react negatively to foods that made them feel ill – and it only needs to happen once for them to remember.
    • Dietary Needs – if deprived of certain nutrients, rodents learn which foods fill that need and prefer those until that need is met.
  3. Smell – use their sense of smell to find food.
  4. Touch – long whiskers, or vibrissae, are located all over the body, and are used for guidance.  Because of this, rodents rarely travel in open spaces. Place traps accordingly.
  5. Sound – they can hear sounds we can’t – ultrasonic frequencies well above our hearing.  Rodents produce ultrasound as well, and communicate in squeeks, clicks, and whines that we cannot hear.
  6. Kinesthetic Sense – rodents memorize their environment and can move through it without seeing.
in rodents
About the author: BRIAN SYKES

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