Birds' Bones Built for Flight but Still Produce Red Blood Cells -BYLN-
Bird lovers, you might not realize it, but you belong to a very large club.
About 20 percent of Americans enjoy the sport of bird-watching, an easy, low-cost hobby that can start in your backyard and take you far across the globe in search of exotic species. More U.S. bird enthusiasts live in the South, but local websites like ilbirds.com and illinoisbirds.com point to a huge flock of bird enthusiasts residing in the Chicago area.
Streamlined for flight, birds have fewer bones than other vertebrates. Beaks are designed as a lightweight adaptation that replaces a heavier jaw structure, and wing bones are constructed sparingly to aid in flight. The major limb bones are …
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Publication information:
Article title: Birds' Bones Built for Flight but Still Produce Red Blood Cells -BYLN-.
Contributors: Not available.
Newspaper title: Daily Herald (Arlington Heights, IL).
Publication date: September 1, 2010.
Page number: 1.
© 2009 Paddock Publications.
COPYRIGHT 2010 Gale Group.
This material is protected by copyright and, with the exception of fair use, may not be further copied, distributed or transmitted in any form or by any means.
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