Best Seller | Happy Birthday Dad Dog Card, .63 OZ Pet said, human sent. Moose & Pig greeting cards bring your pet's personality to life with funny and relatable thoughts written from their perspective. Give someone a special treat this year with this fun birthday card from their dog! ... more Happy Birthday Dad Dog Card, .63 OZ Pet said, human sent. Moose & Pig greeting cards bring your pet's personality to life with funny and relatable thoughts written from their perspective. Give someone a special treat this year with this fun birthday card from their dog! Petco.com | | $4.99 go to store |