Your Dexterity score increases by 1, and your Constitution score increases by 2.

You can see in dim light within 30 feet of you as if it were bright light, and in darkness as if it were dim light. You can't discern color in darkness, only shades of gray.

Your low body temperature grants you partial immunity to poison and disease. You have advantage on saving throws against disease and the poisoned condition, and you have resistance against poison damage.

You have proficiency in the Stealth skill.

You can call upon your possum ancestry and cast the feign death spell on yourself once with this trait, and you regain the ability to do so when you finish a long rest. You can only cast this spell with this feature as a reaction immediately after taking damage, you require no material components, and at the end of your turn, you can end this spell with no action required.

Your people have evolved the use of your tails for more than just balance. It has a reach of 3 feet, and you can use it for the following tasks: lift, drop, hold, push, or pull a creature or object that's your size or smaller; open and close doors and containers; grapple a creature your size or smaller; make an unarmed strike; grasp an object or surface tightly to hang yourself upside down from your tail, or other similar tasks. You cannot use your tail to wield weapons or shields, to perform a spell's somatic components, or any other task that requires fine precision or great force.

You can speak, read, and write Common and Goblin. You can also use your tail to speak with other Didelkin using “Tail Sign”

You can speak to other Didelkin using your tail. Takes the same amount of time as conversing in common.