Very Common - The most common type of Bunyip will be the Rapidash-Arcanine crossbred, they will be the ones easiest to gain the trust of and will be the ones most willing to accept aid in finding their leaders pups from people. These Bunyip can also be crossed with any other non-legendary canine-like creatures such as Houndoom, Stoutland, etc.

Common Combinations Adults
Rapidash-Arcanine
Rapidash-Stoutland
Rapidash-Houndoom
Rapidash-Mightyena
Rapidash-Furfrou

Common Combinations for Pups
Ponyta-Growlithe
Ponyta-Lillipup
Ponyta-Houndour
Rapidash-Poochyena