Casper the cow NM120 Colfax Pet Rescue By Sharon Kutsop | Published August 28, 2013 | Full size is 330 × 247 pixels Petunia WI236 Happily Ever After Animal Sanctuary Casper is a cow who resides at Colfax Pet Rescue in New Mexico while awaiting his new home. Casper is a cow who resides at Colfax Pet Rescue in New Mexico while awaiting his new home.