Animal Communication – The ability to communicate rather than control animals.
Ant-Man (Marvel) communicates with ants but only ants!
Doctor Doolittle would be an early example of a character with this power and talks and walks with the animals.
Squirrel Girl (Marvel) talks to animals but only squirrels (The Unbeatable Squirrel Girl V1 #1).
Ok you can talk to animals but the animals aren’t smart enough for you to understand them what do you do? In The Unbeatable Squirrel Girl V2 #18 (Marvel), a mysterious elderly lady has developed a chip that allows communication and raises the animals IQ so they understand the instructions given!
Vermin (Marvel) controls rats. Squirrel control squirrels. What would happen if they fought? The results are humorously explored in New Avengers #16.
Ratcatcher (DC) can also control rats and appears in DC Who’s Who Update ’88 #3.
Stinger (Marvel) is a supervillain that is the daughter of the current Ant Man and gets a helmet that can communicate with 5,000 insects in Ant-Man #6 (2016).
Bird Monster is a silly super villain in Archie’s Madhouse #44 who can communicate with birds.
Calebs of the Neodog Corps are dogs that have a psychic link with their handlers (Starship Troopers #2, Dark Horse).
In Tales to Astonish V1 #27 (Marvel), talking with a horse backfires.
The Twilight Zone #82 (Gold Key), talking with dogs backfires.
White Fox (Marvel) can talk to pigeons and other animals (Civil War II – Choosing Sides #6).
In Think Tank – Animal #1 (Marvel), the idea of weaponized animals is explored both in fiction and via a researched narrative.