References
- ^ Early Adaptive Radiation of Birds: Evidence from Fossils from Northeastern China -- Hou et al. 274 (5290): 1164 -- Science. Retrieved on 2006-07-21.
- ^ Education - Senior 1. Manitoba Fisheries Sustainable Development. Retrieved on 2006-10-09.
- ^ Gowaty, Patricia Adair (1983). Male Parental Care and Apparent Monogamy among Eastern Bluebirds (Sialia sialis). The American Naturalist 121 (2): 149-160.
- ^ Ketterson, Ellen D., and Nolan, Val (1994). Male Parental Behavior in Birds. Annual Review of Ecology and Systematics 25: 601-28.
- ^ Worldwatch Paper #165: Winged Messengers: The Decline of Birds. Retrieved on 2006-07-21.
- ^ Help Migratory Birds Reach Their Destinations. Retrieved on 2006-07-21.
- ^ Protect Backyard Birds and Wildlife: Keep Pet Cats Indoors. Retrieved on 2006-07-21.
Links
- Avibase - The World Bird Database
- Bird Hybrids Database - Search by bird name, use Sibley classification
- International Ornithological Committee
- Birdlife International - Dedicated to bird conservation worldwide; has a database with about 250,000 records on endangered bird species
- Birdingonthe.net
- Worldtwitch - Rare bird news around the world
- The Internet Bird Collection - A free library of videos of the world's birds
This guide is licensed under the GNU Free Documentation License. It uses material from the Wikipedia.
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