B - Bale

A bale of Turtles.

To remember the collective noun for turtles, use the following mnemonic:

They positioned each bale very carefully so that the turtles couldn't go too far from the beach and get lost.

Examples of bale in a sentence:

The bale of turtles travelled across the beach

They kept a bale of turtles in the zoo. 

The bale of turtles moved slowly over land.