Makulbeka grebo (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "Makulbeka grebo" in Esperanto language version.

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2books.google.com

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2web.archive.org

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1allaboutbirds.org

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allaboutbirds.org

Pied-billed Grebe. Bird Guide. The Cornell Lab of Ornithology. Alirita 12a de Aŭgusto 2012.

birdweb.org

Pied-billed Grebe. Grebes. Seattle Audubon Society. Alirita 12a de Aŭgusto 2012.

books.google.com

Newton, Ian. (2008) The Migration Ecology of Birds. Londono: Academic Press, p. 291. ISBN 978-0-12-517367-4.
(28a Februaro 2006) Birds, Mammals, and Reptiles of the Galapagos Islands: An Identification Guide, 2nd Edition. Yale University Press. ISBN 978-0-300-11532-1.

bto.org

blx1.bto.org

Pied-billed Grebe Podilymbus podiceps. Grebes. British Trust for Ornithology. Alirita 12a de Aŭgusto 2012.

ct.gov

Pied-billed Grebe. Department of Energy & Environmental Protection. State of Connecticut. Alirita 12a de Aŭgusto 2012.

illinois.edu

wwx.inhs.illinois.edu

Pied-billed Grebe – Podilymbus podiceps. NatureWorks. Arkivita el la originalo je 2016-03-04. Alirita 12a Aŭgusto 2012. Arkivita kopio. Arkivita el la originalo je 2016-03-04. Alirita 2013-06-10.

inhs.illinois.edu

Pied-billed grebe. Birds. Illinois Natural History Survey. Arkivita el la originalo je 2010-08-14. Alirita 12 August 2012. Arkivita kopio. Arkivita el la originalo je 2010-08-14. Alirita 2013-06-12.

nj.gov

Pied-billed Grebe, Podilymbus podiceps. State of New Jersey. Alirita 12a de Aŭgusto 2012.

usgs.gov

mbr-pwrc.usgs.gov

Pied-billed grebe Podilymbus podiceps. USGS. Alirita 12a de Aŭgusto 2012.

web.archive.org

Pied-billed Grebe – Podilymbus podiceps. NatureWorks. Arkivita el la originalo je 2016-03-04. Alirita 12a Aŭgusto 2012. Arkivita kopio. Arkivita el la originalo je 2016-03-04. Alirita 2013-06-10.
Pied-billed grebe. Birds. Illinois Natural History Survey. Arkivita el la originalo je 2010-08-14. Alirita 12 August 2012. Arkivita kopio. Arkivita el la originalo je 2010-08-14. Alirita 2013-06-12.