Psittaciform: References & Edit History
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Additional Reading
A variety of psittaciform-related topics are discussed in Tony Juniper and Mike Parr, Parrots: A Guide to Parrots of the World (1998). Conservation principles and region-specific applications of them are presented in Noel Snyder et al., Parrots: Status Survey and Conservation Action Plan 2000β2004 (2000); whereas Tony Silva, A Monograph Of Endangered Parrots (1989), provides detailed information on the natural history and aviculture of 51 species.
Article Contributors
Primary Contributors
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Glen E. Woolfenden
Professor of Zoology, University of South Florida, Tampa.
- Frank Gill
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The Editors of Encyclopaedia Britannica
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Article title updated for style. | Nov 13, 2026 | ||
| Modified link of Web site: New Zealand Birds Online - Order Psittaciformes (PDF). | Oct 17, 2026 | ||
| Add new Web site: Scientific Reports - Preliminary evidence that eye appearance in parrots (Psittaciformes) co-varies with latitude and altitude. | Jan 02, 2026 | ||
| Add new Web site: Cell Press - Current Biology - Parrot Genomes and the Evolution of Heightened Longevity and Cognition. | Sep 12, 2025 | ||
| Add new Web site: National Center for Biotechnology Information - PubMed Central - Patterns and Factors Influencing Parrot (Order: Psittaciformes) Success in Establishing Thriving Naturalized Populations within the Contiguous United States. | Jun 07, 2025 | ||
| Add new Web site: PetMD - How Long Do Parrots Live? | Jan 16, 2025 | ||
| Add new Web site: BMC - BMC Ecology and Evolution - The multifactorial nature of beak and skull shape evolution in parrots and cockatoos (Psittaciformes). | Sep 23, 2024 | ||
| Add new Web site: CORE - Parrots as key multilinkers in ecosystem structure and functioning (PDF). | Aug 13, 2024 | ||
| Add new Web site: New Zealand Birds Online - Order Psittaciformes (PDF). | Apr 10, 2024 | ||
| Add new Web site: AZ Animals - Parrot. | May 20, 2023 | ||
| Add new Web site: Live Science - Parrot Facts: Habits, Habitat & Species. | Feb 15, 2023 | ||
| Media added. | Mar 09, 2018 | ||
| Date and location of oldest fossil psittaciform added; noted the discovery of an 18-million-year-old fossil parrot in Siberia. | Apr 24, 2017 | ||
| Added image of feral monk parakeets in Chicago. | May 26, 2010 | ||
| Article revised and updated. | Jun 19, 2008 | ||
| Added new Web site: University of Michigan - Museum of Zoology - Animal Diversity Web - Psittaciformes. | May 30, 2006 | ||
| Article revised. | Sep 09, 2005 | ||
| Article added to new online database. | Jul 26, 1999 |
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