These 2 are both mobile (but very slow at that) and boast 4 le | ᐯᝪᑕᗩᗷᑌしᗩᖇᎩ
These 2 are both mobile (but very slow at that) and boast 4 legs. But the “turtle rock” is aquatic and has markings that resemble stains and circles on the water to better hide in the ponds. The “tortoise rock” is a land animal and spends most of its time on the ground — that is, as a literal rock.
