The Jack Russell is a pure breed and it's the reward of the Devoted Companions collection. They are white with orange markings. The collection time is 6 hours and the breeding time is 8 hours (I think). You obtain 247 coins from the playpen when completed.Their playpen is the Dog House playpen.
The Jack Russell can be crossbred. The formula is below.
- Jack Russell x Welsh Corgi = Cojack
|Pet||Exp||Coins at rank 1||Coins at rank 3||Build time||Collect time||Price to buy||Unlock at level|
|Jack Russell||4||176||247||10 hrs||6 hrs||6,160||Collection|