象牙喙啄木鳥 (Chinese Wikipedia)

Analysis of information sources in references of the Wikipedia article "象牙喙啄木鳥" in Chinese language version.

refsWebsite

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8web.archive.org

1^st place

2cornell.edu

332^nd place

526^th place

1iucnredlist.org

88^th place

102^nd place

1federalregister.gov

2,474^th place

3,822^nd place

1worldcat.org

5^th place

12^th place

1nytimes.com

7^th place

31^st place

1archive.org

6^th place

4^th place

1worldtwitch.com

low place

1birdersworld.com

low place

1sciencemag.org

857^th place

506^th place

1doi.org

2^nd place

23^rd place

1bioedonline.org

low place

archive.org

Jackson, Jerome A. In Search of the Ivory-Billed Woodpecker. Smithsonian Institution Press. 2004: 98. ISBN 1-58834-132-1.

bioedonline.org

Dalton, Rex. Ivory-billed woodpecker raps on. BioEd Online. Auguest 02, 2005 [2006-07-09]. （原始内容存档于2007-09-28）. 请检查|date=中的日期值 (帮助)

birdersworld.com

Mendenhall, Matt. Reported Ivory-bill Sightings Since 1944. Birders World Magazine. 2005 [2006-07-08]. （原始内容存档于2006-06-15）.

cornell.edu

birds.cornell.edu

The search for the Ivory-billed Woodpecker. Cornell Lab of Ornithology. 2006 [2006-07-08]. （原始内容存档于2006-08-26）.
The Search for the Ivory-billed Woodpecker. Cornell Lab of Ornithology. Auguest 24, 2005 [2006-07-09]. （原始内容存档于2006-05-08）. 请检查|date=中的日期值 (帮助)

doi.org

Fitzpatrick, John W.; Lammertink, Martjan; Luneau, M. David Jr.; Gallagher, Tim W.; Harrison, Bobby R.; Sparling, Gene M.; Rosenberg, Kenneth V.; Rohrbaugh, Ronald W.; Swarthout, Elliott C. H.; Wrege, Peter H.; Swarthout, Sara Barker; Dantzker, Marc S.; Charif, Russell A.; Barksdale, Timothy R.; Remsen, J. V. Jr; Simon, Scott D. & Zollner, Douglas. Ivory-billed woodpecker (Campephilus principalis) persists in continental North America (PDF). Science. 2005, 308 (5727): 1460–1462 [2009-01-20]. doi:10.1126/science.1114103. （原始内容存档 (PDF)于2008-10-07）.

federalregister.gov

Endangered and Threatened Wildlife and Plants; Removal of 23 Extinct Species From the Lists of Endangered and Threatened Wildlife and Plants. www.federalregister.gov. 2021-09-30 [2021-09-30]. （原始内容存档于2022-06-18）.

iucnredlist.org

apiv3.iucnredlist.org

BirdLife International. Campephilus principalis. The IUCN Red List of Threatened Species 2008. [9 May 2006].

nytimes.com

Einhorn, Catrin. Protected Too Late: U.S. Officials Report More Than 20 Extinctions. The New York Times. 2021-09-29 [2021-09-29]. ISSN 0362-4331. （原始内容存档于2021-09-29）（美国英语）.

sciencemag.org

Fitzpatrick, John W.; Lammertink, Martjan; Luneau, M. David Jr.; Gallagher, Tim W.; Harrison, Bobby R.; Sparling, Gene M.; Rosenberg, Kenneth V.; Rohrbaugh, Ronald W.; Swarthout, Elliott C. H.; Wrege, Peter H.; Swarthout, Sara Barker; Dantzker, Marc S.; Charif, Russell A.; Barksdale, Timothy R.; Remsen, J. V. Jr; Simon, Scott D. & Zollner, Douglas. Ivory-billed woodpecker (Campephilus principalis) persists in continental North America (PDF). Science. 2005, 308 (5727): 1460–1462 [2009-01-20]. doi:10.1126/science.1114103. （原始内容存档 (PDF)于2008-10-07）.

web.archive.org

Endangered and Threatened Wildlife and Plants; Removal of 23 Extinct Species From the Lists of Endangered and Threatened Wildlife and Plants. www.federalregister.gov. 2021-09-30 [2021-09-30]. （原始内容存档于2022-06-18）.
Einhorn, Catrin. Protected Too Late: U.S. Officials Report More Than 20 Extinctions. The New York Times. 2021-09-29 [2021-09-29]. ISSN 0362-4331. （原始内容存档于2021-09-29）（美国英语）.
The search for the Ivory-billed Woodpecker. Cornell Lab of Ornithology. 2006 [2006-07-08]. （原始内容存档于2006-08-26）.
Keith, Stuart. The Little-Known Status and Distribution of the Ivory-billed Woodpecker. Worldtwitch. 1983 [2006-07-08]. （原始内容存档于2006-06-20）.
Mendenhall, Matt. Reported Ivory-bill Sightings Since 1944. Birders World Magazine. 2005 [2006-07-08]. （原始内容存档于2006-06-15）.
Fitzpatrick, John W.; Lammertink, Martjan; Luneau, M. David Jr.; Gallagher, Tim W.; Harrison, Bobby R.; Sparling, Gene M.; Rosenberg, Kenneth V.; Rohrbaugh, Ronald W.; Swarthout, Elliott C. H.; Wrege, Peter H.; Swarthout, Sara Barker; Dantzker, Marc S.; Charif, Russell A.; Barksdale, Timothy R.; Remsen, J. V. Jr; Simon, Scott D. & Zollner, Douglas. Ivory-billed woodpecker (Campephilus principalis) persists in continental North America (PDF). Science. 2005, 308 (5727): 1460–1462 [2009-01-20]. doi:10.1126/science.1114103. （原始内容存档 (PDF)于2008-10-07）.
The Search for the Ivory-billed Woodpecker. Cornell Lab of Ornithology. Auguest 24, 2005 [2006-07-09]. （原始内容存档于2006-05-08）. 请检查|date=中的日期值 (帮助)
Dalton, Rex. Ivory-billed woodpecker raps on. BioEd Online. Auguest 02, 2005 [2006-07-09]. （原始内容存档于2007-09-28）. 请检查|date=中的日期值 (帮助)

worldcat.org

Einhorn, Catrin. Protected Too Late: U.S. Officials Report More Than 20 Extinctions. The New York Times. 2021-09-29 [2021-09-29]. ISSN 0362-4331. （原始内容存档于2021-09-29）（美国英语）.

worldtwitch.com

Keith, Stuart. The Little-Known Status and Distribution of the Ivory-billed Woodpecker. Worldtwitch. 1983 [2006-07-08]. （原始内容存档于2006-06-20）.