| | Pinnipeds Pinnipeds (Pinnipedia) are a group of semi-aquatic marine mammals that include sea lions, fur seals, true seals and the walrus. Pinnipeds have a streamlined, barrel-shaped body and have powerful, broad... Read more | Conversing Parrots Mimic Each Other Parrots are superb impersonators. They are particularly gifted when it coms to mimicing sounds they hear. The orange-fronted conure, the subject of a recent study of parrot imitation abilities, is... Read more | Genetic Monitoring for Borneo Elephant Conservationists working to save the rare Borneo elephants from extinction have identified a set of genetic markers that will help them better monitor the elephant's genetic diversity and, in turn,... Read more | Invertebrates Invertebrates are a diverse group of animals that includes over 30 phyla. Invertebrates do not have a backbone, nor a bony skeleton. This large group of animals includes sponges, cnidarians, flatworms, roundworms, segmented worms, molluscs, echinoderms, and arthropods. About 97 percent of all known species are invertebrates. The articles listed below provide information about the characteristics, classification and evolution of invertebrates. | | | | Related Searches | | | | Featured Articles | | | | | | Sign up for more free newsletters on your favorite topics | | | | You are receiving this newsletter because you subscribed to the About.com Animals newsletter. If you wish to change your email address or unsubscribe, please click here. About.com respects your privacy: Our Privacy Policy Contact Information: 249 West 17th Street New York, NY, 10011 © 2012 About.com | | | | Must Reads | | | Follow me on: | | | | Advertisement | |
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