What makes a giant squid unique? This site features a diagram and some information about this cephalopod. Students can learn about the giant squid's anatomy, diet and more through this resource.

"There are currently seven species of cetaceans in U.S. waters that are protected under the Endangered Species Act." This site provides links to each species as well as provides colorful and engaging pictures.

The sperm whale is one of the largest of the whlae species.