MANCHESTER, N.H. —

Niles, a 5-year-old gray and white pit bull terrier, is looking for a home in New Hampshire.

He's the longest resident at the shelter, waiting patiently for a family to call his own.

A gentle soul with a playful side, Niles loves spending time with people of all ages, especially kids.

Whether it's a game of fetch, a round of tug-of-war or a cozy movie night on the couch, he's happiest when he's part of the fun.

Niles is as smart as he is sweet. He's mastered all the basics, including sit, stay, come, shake and lie down. He's quiet, well-mannered and never one to chew or bark without reason.

He's also fully house-trained and crate-trained, and he makes the perfect co-pilot for car rides, happily watching the world go by from the back seat.

Like many dogs, Niles has

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