We often hear that dogs and hogs in Vrindavana will be liberated in the next life and go to the spiritual sky. Here’s a quote from Srila Prabhupada’s books that supports this: “By living in Vrindavana as a hog or monkey, the living entity can be elevated to the spiritual platform in the next life.” (Srimad Bhagavatam 4.29.14 Purport)