In the past week, nine German shepherds have been found in Closter, Alpine, Wayne, and Woodland Park.
The dogs are thought to be related. None have collars, tags, or microchips.
It is believed the dogs could be coming from a backyard breeder.
One of the dogs, Shelby, is about six years old, and will soon be up for adoption at the Ramapo-Bergen Animal Refuge in Oakland.
The refuge is also looking for foster or forever homes for the other dogs.
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