Magical Beast Companions I (PF1)

From publisher blurb: Speak with Animals: Magical Beast Companions I adds 10 new magical companion companion stat blocks for use with the Pathfinder Roleplaying Game including the ankheg, chimera, hydra and remorhaz. Additionally, you will get full NPC stat blocks and familiar boons for the new creatures introduced as companions in this book: the bunnicorn, enfield, and hollow hound. These companions are designed to work with the Beast Speaker and Beast Speaker Mastery feats.