Along with Echolocation and the Bat Head.
Maybe, an ability to Suck the Blood of Prey animals could be an option. And, the harvested blood can be added to the food reserves.
They won’t die, but, there will be a cooldown on the prey based on how large they are.
Additionally, attacking Animals/Rogues/Etc. cause the Bleeding Buff every time.
And, your Bat Nicheling CANNOT Lick to Heal their friends(MOST, of not, all blood drinking bats have an anticoagulant saliva). So, you will have to be extra careful, or, you may make the bleeding WORSE.