From publisher blurb:
New 5E Monsters
Got players looking to buy a furry little friend? How about a spellcaster wanting a new familiar option? Maybe you want to fill the booth of a busy market square? This set contains 10 new magical creatures to ready love on any adventurer. Creatures like the adorable quinchilla with the ability to teleport itself out of danger. Or the especially cute squidgee which hail from the fey realm. These creatures were designed to add unique options for PC pets and familiars. Monsters included range in CR from 0 to 1/2. A list of creatures in the pack:
• Ettin Adder - (CR 1/8)
• Frilled Squawk - (CR 0)
• Jackalrat - (CR 0)
• Mookah - (CR 0)
• Quinchilla - (CR 0)
• Spineback Tortoise - (CR 0)
• Squidgee - (CR 0)
• Turtledile - (CR 1/2)
• Yiggit - (CR 0)
• Zelyat - (CR 1/8)