Overview  News  Technology  Conditions of Use  Privacy Policy  Partners & Contributors  Awards & Recognition  ADW Staff  Contact Us  Spinning Skulls  About Mammals  Frog Calls  Resources for College Instructors  Resources for K-12 Instructors  Contribute to ADW  What's in a Scientific Name?  Authority Lists: Where We Get Our Names  Name, Rank, and Serial Number  Organismal classification: evolutionary relationships & ranks  Glossary  Search Guide  Contact Us  Report an Error

Structured Inquiry Search — preview

Home Kingdom Animalia Phylum Chordata Subphylum Vertebrata Class Aves Order Anseriformes Family Anatidae Subfamily Anatinae Species Aix sponsa

• Information
• Pictures
• Sounds
• Classification

Report Error — Comment
Citation: Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2008. The Animal Diversity Web (online). Accessed May 12, 2008 at http://animaldiversity.org.
Sponsored in part by the Interagency Education Research Initiative, the Homeland Foundation and the University of Michigan Museum of Zoology. The ADW Team gratefully acknowledges their support.
©1995-2008, The Regents of the University of Michigan and its licensors. All rights reserved.