Who lives in an alligator hole? /
by Anne Rockwell ; illustrated by Lizzy Rockwell.
- 1st ed.
- New York : Collins, c2006.
- 33 p. : col. ill. ; 21 x 26 cm.
- Let's-read-and-find-out science. Stage 2. .
Describes the habitats of these reptiles which scientists call a "keystone species" because they change the environment for their own use in a way that helps many other plants and animals.