Question

which of the following animals are nocturnal?
kangaroos
bats
squirrels

Explanation:

Nocturnal animals are active at night. Kangaroos are mostly crepuscular (active during dawn/dusk) or diurnal in some cases. Squirrels are generally diurnal. Bats are well - known to be nocturnal, using echolocation to navigate and hunt at night.

Answer:

B. bats