Rat

Source: Monster Manual (2024) p. 367, Player’s Handbook (2024) p. 355. Available in the SRD and the Free Rules (2024) An adventurer underestimates the extent of a tavern's giant rat infestation

Animals

Use these stat blocks to represent the creatures they’re named for or other similar creatures. For example, the Panther stat block can also represent a mountain lion, while the Giant Goat stat block might represent a buffalo. Any of these stat blocks might also serve as fantastical animals with distinctive names and cosmetic details unique to your D&D adventures.

A druid calls on animals of the hills and mountains to aid her cause Aquatic animals swim alongside a druid exploring the sea Inhabitants of the rain forest answer a druid's summons

Environment

forest, swamp, underdark, urban