Parasites paralyze the snail and attract attention so that it is eaten by a bird. The

Parasites paralyze the snail and attract attention so that it is eaten by a bird. The parasite uses the bird as a host to grow in its digestive tract.
.
(TITLE FROM REDDIT r/nextfuckinglevel)

I've seen this several times
Each time it creeps me out

Just put it out of it's misery