What's the difference between the hogs?

[ChicSeekers]

Is there a reason some cost more gems?

[pundoggity]

Is there a reason some cost more gems?

I have had all four for a long time now and have noticed no difference between them.
They are all as lazy as each other;)

[Aernak]

They are all as lazy as each other;)

LOL!

Oink oink...