Bluebird: References & Edit History
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Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 13, 2026 | ||
| Invalidated site: Netstate.com - New York State Bird. | Nov 10, 2026 | ||
| Add new Web site: Audubon - Blue-bird. | Nov 14, 2019 | ||
| Add new Web site: Audubon International - Bluebird. | Jan 30, 2019 | ||
| Add new Web site: National Geographic - Animals - Bluebird. | Aug 23, 2016 | ||
| Add new Web site: Animal Planet - Bluebird. | Nov 01, 2013 | ||
| Added new Web site: Netstate.com - New York State Bird. | Sep 14, 2008 | ||
| Added new Web site: National Geographic - Animals - Bluebirds. | Aug 26, 2008 | ||
| Added new Web site: Animal Planet - Bluebird. | May 22, 2008 | ||
| Media added. | Oct 11, 2007 | ||
| Article added to new online database. | May 27, 1999 |
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