More: Harley is a 3 year old female greyhound, she’s so outgoing, friendly, and a gentle giant! Harley lives with 5 other dog siblings, 2 cats and 4 human kids. Harley has done a lot in 3 years, she’s been a blood donor and saved another dogs life, walked in parades and also serves as an emotional support dog for her 15 year old owner, my daughter. She really is an amazing dog in so many different ways!