A senior retriever mix is hoping to have a place he can call home — finally.

Nine-year-old Rex is available for adoption at Best Friends Lifesaving Center in Mission Hills, California.

Rex was pulled from Los Angeles' North Central Animal Shelter before he landed at Best Friends.

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The dog was once adopted by a family in 2015 — but then was returned to a shelter in November 2021 when his family faced eviction.

rex dog

Rex, a senior dog, is up for adoption — and very much hoping to find a forever family at last. (Best Friends Animal Society)

Best Friends told Fox News Digital that despite that rejection, Rex was still "very loved" in this home.

Since then, Rex has been in the care of two foster families. He’s been "wonderful" in their homes, Best Friends said.

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Due to his age and kennel presentation, Best Friends said Rex isn’t always the first option for adoption.

"But he is an absolute love," the shelter said.

rex dog walk

Rex, a senior dog in Los Angeles, goes for a walk. (Best Friends Animal Society)

"He can play ball all day long and doesn’t act like a senior."

Though Rex doesn't typically get along with other dogs, he is "super sweet" around the people he knows.

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"Rex is calm and for the most part loves toys and treats," the group said.

With November marking National Adopt-A-Senior-Pet Month, Best Friends Animal Society CEO Julie Castle shared in a press release some of the reasons that taking home a senior pet is a great option for people.

rex los angeles shelter

Rex is available for adoption at Best Friends Animal Society in Los Angeles. (Best Friends Animal Society)

"Whether you’re looking for an active senior to go on walks with or a couch potato to help keep you company, there are plenty of older dogs and cats who would love to be your new best friend," she said. 

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"They tend to fit right into their surroundings like they’ve been with you forever." 

Senior pets are the most at-risk in shelters despite being "tried and true companions" in need of a second chance, said Castle.

rex plays with ball

Rex plays with a ball outside. (Best Friends Animal Society)

The shelter explained that while puppies and kittens are cute, an older pet skips the unpredictable "destruction phase" and instead can be an animal that just wants to hang out.

Most senior pets were once in a home, Castle noted, so they usually have "great manners," too.

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Interested in adopting Rex? 

Email adoptla@bestfriends.org to inquire.

Want to read about other pets up for adoption? Check out this recent article from Fox News Digital: Hurricane Ian pushed this ‘Snow White’ dog from Florida to New Jersey — now she needs a home