Bats from Jetter Mars Episode 17

These are the Bats in the Cave from Jetter Mars Episode called 

"The Samurai Robot from the seventh Year of the Tenpō era". 

Jetter Mars used lights on his Eyes to search for 

Tamao and the light wake the Bats and fly. 

There were lots of Bats flying through the Cave. 

Jetter Mars was frightened when the Bats were on his 

Way while they're flying through the Cave.

Bats are flying Mammals that came out at Night because they're nocturnal.