Julia was born deaf, and so was her best friend Walter, ABC News reports.
In a video posted on Facebook by the Pasadena Humane Society and SCPCA, their special bond is on display, and it has received more than 246,000 views.
In the video, Julia teaches Walter sign language, including commands for "sit," water" and "food."
"I love Walter," she says in sign language. "Walter is my best friend."
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