- Animals which are active during night and sleep during the day are called nocturnals.
- These creatures generally have highly developed senses of hearing and smell.
- They have specially adapted eye sight to see well in dark.
- Animals like bats, emit a high pitched sound which bounses off objects to find prey or protect from predators.
E.g : Cats, rats, bats, owls, insects like crickets, firefly and cattle fish.
