Vampire bats can get airborne from the ground I think.
"While other bats have almost lost the ability to maneuver on land, vampire bats can also run by using a unique, bounding gait, in which the forelimbs instead of the hindlimbs are recruited for force production, as the wings are much more powerful than the legs. This ability to run seems to have evolved independently within the bat lineage"
"Once the common vampire bat locates a host, such as a sleeping mammal, it lands and approaches it on the ground"
"To take off from the ground, the bat generates extra lift by crouching and flinging itself into the air."
No doubt they will add that feature next.
The feeding fangs and laser will be added last, when Skynet is operational.