This is Firetail, a character from my NaNoWriMo story. She's a creature known as a Wirrsa - a canine/feline hybrid. In this case, she is a lion/jackal mix.
Firetail is an adolescent female in the Goldgrass Pack, her mother is Ashfoot, her aunt is Smalldawn and her cousin is Sandfur. She is an adventurous and mischievous creature who has a knack for getting into trouble.