The Official Guide to the Minecraft Mod - The Prehistoric World
Dinosaurs "can" hunt any of these creatures in this list (this includes other dinosaurs). This doesn't mean dinosaurs will hunt all of these creatures. Dinosaurs will only hunt creatures that are in their diet. Otherwise, they will leave the rest of the creatures not in their diet alone.
Huntable Creatures:
Pig (Hunted by: Carnotaurus, Dilophosaurus, Herrerasaurus, Omniraptor, Troodon, Tyrannosaurus)
Turtle (Hunted by: Dilophosaurus, Herrerasaurus)
Chicken (Hunted by: Dilophosaurus, Herrerasaurus, Troodon, Tyrannosaurus)
Rabbit (Hunted by: Omniraptor, Troodon)
Goat (Hunted by: Ceratosaurus, Dilophosaurus, Herrerasaurus, Troodon, Tyrannosaurus)
Cod (Hunted by: Herrerasaurus)
Salmon (Hunted by: Herrerasaurus)
Frog (Hunted by: Gallimimus)
Huntable Dinosaurs:
Compsognathus (Hunted by: Troodon)
Psittacosaurus (N/A)
Pterodactylus (Hunted by: Nothing)