Rabbitfolk are very social creatures that live together in colonies. Although comfortable with being out above the ground, they typically choose to live in warrens - a series of tunnels and rooms that they dig underground.
With their ancestors being common prey for larger creatures, rabbitfolk have developed a heightened awareness of their surroundings, and are slow to trust new people, usually needing an act of kindness or generosity to win them around.
Your Dexterity score increases by 1, and one other ability score of your choice increases by 1.
Rabbitfolk mature much faster than humans, reaching adulthood at around 5 years, with a normal lifespan of 20 years.
Rabbitfolk stand around 3 feet tall, and weigh around 35lbs. Your size is Small.
Due to your enhanced field of vision and extended ears, you have advantage on Perception checks that rely on hearing.
You can move through the space of any creature that is of a size larger than yours.
When you roll a 1 on the d20 for an attack roll, ability check or saving throw, you may choose the die as if you rolled a 20. This roll will not count as a critical hit or critical success. Once you've used this feature you cannot use it again until you've finished a long rest.
You can speak, read and write Common. You can also communicate with other Rabbitfolk using squeaks, chirps, and yelps.