That’s the sanity bar, from Eternal Darkness: Sanity’s Requiem. Except having a meltdown in that game was like, walking into a room and having a delusion that your controller is disconnected, or a cockroach crawls across the screen, or all your arms fall off.
That was a great game.
20-25% of all mammal species are bats. Think of the last 4-5 different mammals you’ve seen. Is your dog actually a bat? Seems likely.