What documented behavior did Kiskadees exhibit when capturing bats before feeding them to their young?

Answer

Repeatedly beating the bat against a branch (anvil use)

Researchers observed breeding pairs repeatedly beating captured bats against a branch, a behavior termed anvil use, before feeding the prey to their offspring.

What documented behavior did Kiskadees exhibit when capturing bats before feeding them to their young?
birdPredatorKiskadee