|Age|| 7 months (All Lone Ones)
2 years and 7 months (Renegades)
Sparrow is a young, small white spaniel with a dark back, head and tail. She has black ears, many small spots, a white blaze and blue eyes.
The Call of Kitty (ep 2)
Sparrow is seen together with Silkey, being forced to attack One-eye . Sparrow hesistated, but after looking at Silkey, she realizes she has no choice and attacks One-eye.