a group of bats hang upside down. bats on white background.

animal asleep awake background bat bats black cheiroptera closely colony cuddle cynopterus dog eidolon face flittermouse flying fox fruit grey group halloween hang hanging head huddle hypomelanus illustration isolated mammal microchiroptera monochromatic monochrome mouth nature night pteropodidae pteropus rearmouse resting settlement sphinx symbol teeth tightly tongue upside vector white wild wildlife wing wool