Lost Pup Timmy: Mini Pinscher-Chi Mix!

Male Miniture pinscher chihuahua mix. Black and white 18lbs. Around 3 yrs old i was walking him when his leash got caught on a bush and unclasped and he then ran. His name is timmy he'll have a tattoo from being neutered and and has a white tag on his collar that traces back to an animal shleter i got him from..he should have a collar on that says adopted on it..and under his hind leg theres a large black area from him chewing due to skin sensitivities