You're describing a Jerboa.
Jerboas are small rodents found in deserts and steppes of Asia and Africa. They have:
- Mouse-like appearance: They are small with large, prominent eyes.
- Squirrel-like ears: They have long, thin ears.
- Long flat tail: Their tails are long and flattened, often with a tuft of hair at the end.
Jerboas are known for their amazing hopping abilities and their nocturnal habits.