It's a simple song, a living song, everywhere
By the ox and the fox and the grizzly bear
The grumpy alligator and the hawk above
The sly old weasel and the turtle dove
The tortoise has advantage on Wisdom (Perception) checks that rely on smell.
The tortoise is a reptile with a thick shell on its back that grants it superior armor at the expense of speed. The tortoise is a popular familiar among abjurers, dragonborn, and lizardfolk wizards, despite its ponderous movement.