Trumpeter swan: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 12, 2026 | ||
| Modified link of Web site: USGS Patuxent Wildlife Research Center - Trumpeter Swan. | Mar 31, 2020 | ||
| Added new Web site: Seattle Audubon Society - Trumpeter Swan. | Apr 13, 2009 | ||
| Added new Web site: The Cornell Lab of Ornithology - All About Birds - Trumpeter Swan. | Apr 13, 2009 | ||
| New article added. | Mar 25, 2009 |
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