Tučňák kroužkový (Czech Wikipedia)

Analysis of information sources in references of the Wikipedia article "Tučňák kroužkový" in Czech language version.

Last modified: 22:25:16, 31 August 2026 (UTC)

Ref.Un. Ref.Website

Global rank Czech rank

172pinguine.net

low place

3,677^th place

147worldcat.org

4^th place

2^nd place

147doi.org

2^nd place

4^th place

141animaldiversity.org

1,343^rd place

174^th place

126web.archive.org

1^st place

123iucnredlist.org

39^th place

24^th place

111cuni.cz

2,654^th place

33^rd place

84nih.gov

5^th place

8^th place

61birdlife.org

932^nd place

1,079^th place

55csfd.cz

594^th place

29^th place

52archive.org

6^th place

5^th place

51marinebio.org

low place

51bbc.co.uk

11^th place

32^nd place

41cambridge.org

209^th place

217^th place

32antarctica.gov.au

low place

5,224^th place

22youtube.com

13^th place

21^st place

21wwf.org.uk

low place

11google.com

109^th place

365^th place

11arkive.org

4,457^th place

1,451^st place

11biolib.cz

867^th place

54^th place

11climatestotravel.com

low place

11seatemperature.info

low place

11gutenberg.org

629^th place

815^th place

11rozhlas.cz

1,489^th place

12^th place

11penguins.cl

low place

5,990^th place

11wiley.com

150^th place

67^th place

11britannica.com

37^th place

38^th place

11poletopolecampaign.org

low place

11national-geographic.cz

low place

737^th place

11penguinworld.com

low place

11researchgate.net

96^th place

98^th place

11nationalgeographic.com

489^th place

319^th place

11penguinscience.com

low place

11globalclassroom.org

low place

11telegraph.co.uk

40^th place

103^rd place

11timeanddate.com

1,890^th place

756^th place

11kle.cz

low place

11earthsky.org

9,771^st place

4,092^nd place

animaldiversity.org (Global: 1,343^rd place; Czech: 174^th place)

COMBOS, Veronica. Pygoscelis adeliae (Adelie penguin). Animal Diversity Web [online]. 2008 [cit. 2017-06-08]. Dostupné online. (anglicky)

antarctica.gov.au (Global: low place; Czech: 5,224^th place)

Adelie penguins. www.antarctica.gov.au [online]. [cit. 2019-10-08]. Dostupné online. (anglicky)
Millions of Adélie penguins call Antarctica home. Australian Antarctic Divison [online]. 2017-03-15 [cit. 2017-06-08]. Dostupné online. (anglicky)

archive.org (Global: 6^th place; Czech: 5^th place)

NEWTON, Ian. The speciation and biogeography of birds. 2003. vyd. [s.l.]: Academic Press, 2003. 656 s. Dostupné online. S. 407.
WILLIAMS, Tony D. The Penguins. Oxford, England: Oxford University Press, 1995. Dostupné online. ISBN 019854667X. S. 169–173. (anglicky)

arkive.org (Global: 4,457^th place; Czech: 1,451^st place)

Gentoo penguin - Pygoscelis papua - Information - ARKive - description. Arkive [online]. [cit. 2019-02-26]. Dostupné v archivu pořízeném z originálu dne 2009-10-06.

bbc.co.uk (Global: 11^th place; Czech: 32^nd place)

news.bbc.co.uk

Pick up a penguin. BBC News [online]. [cit. 2017-06-08]. Dostupné online.

biolib.cz (Global: 867^th place; Czech: 54^th place)

ZICHA, Ondřej;. BioLib: Biological library. www.biolib.cz [online]. [cit. 2017-06-08]. Dostupné online.

birdlife.org (Global: 932^nd place; Czech: 1,079^th place)

datazone.birdlife.org

Adélie Penguin (Pygoscelis adeliae) - BirdLife species factsheet. datazone.birdlife.org [online]. [cit. 2017-06-08]. Dostupné online. (anglicky)

britannica.com (Global: 37^th place; Czech: 38^th place)

RAFFERTY, John P. Adélie penguin | Description, Habitat, & Facts. www.britannica.com [online]. Encyclopedia Britannica, 2023-04-24 [cit. 2023-06-15]. Dostupné online. (anglicky)

cambridge.org (Global: 209^th place; Czech: 217^th place)

RUSSELL, Douglas G. D.; SLADEN, William J. L.; AINLEY, David G. Dr. George Murray Levick (1876–1956): unpublished notes on the sexual habits of the Adélie penguin. Polar Record. 2012/10, roč. 48, čís. 4, s. 387–393. Dostupné online [cit. 2017-06-08]. ISSN 0032-2474. doi:10.1017/S0032247412000216.

climatestotravel.com (Global: low place; Czech: low place)

Climate in Antarctica: temperature, precipitation, when to go, what to pack. Climates to Travel [online]. [cit. 2017-06-12]. Dostupné online. (anglicky)

csfd.cz (Global: 594^th place; Czech: 29^th place)

Česko-Slovenská filmová databáze. Návrat do města tučňáků (2007). www.csfd.cz [online]. POMO Media Group s.r.o. [cit. 10.6.2017]. Dostupné online.
Česko-Slovenská filmová databáze. Za tučňáky na Antarktidu (2006). www.csfd.cz [online]. POMO Media Group s.r.o. [cit. 10.6.2017]. Dostupné online.
Česko-Slovenská filmová databáze. Neklid v Antarktidě (2004). www.csfd.cz [online]. POMO Media Group s.r.o. [cit. 10.6.2017]. Dostupné online.
Česko-Slovenská filmová databáze. Happy Feet (2006). www.csfd.cz [online]. POMO Media Group s.r.o. [cit. 9.6.2017]. Dostupné online.
Česko-Slovenská filmová databáze. Happy Feet 2 (2011). www.csfd.cz [online]. POMO Media Group s.r.o. [cit. 9.6.2017]. Dostupné online.

cuni.cz (Global: 2,654^th place; Czech: 33^rd place)

dspace.cuni.cz

ŠNÁBLOVÁ, Soňa. Tučňák kroužkový. Praha, 2013 [cit. 2017-06-08]. 133 s. Diplomová práce. Univerzita Karlova v Praze. Vedoucí práce Jan Řezníček. s. 48–49. Dostupné online.

doi.org (Global: 2^nd place; Czech: 4^th place)

BAKER, Allan J; PEREIRA, Sergio Luiz; HADDRATH, Oliver P. Multiple gene evidence for expansion of extant penguins out of Antarctica due to global cooling. Proceedings of the Royal Society B: Biological Sciences. 2006-01-07, roč. 273, čís. 1582, s. 11–17. PMID 16519228 PMCID: PMC1560011. Dostupné online [cit. 2017-06-08]. ISSN 0962-8452. doi:10.1098/rspb.2005.3260. PMID 16519228.
EMSLIE, Steven D.; PATTERSON, William P. Abrupt recent shift in δ13C and δ15N values in Adélie penguin eggshell in Antarctica. Proceedings of the National Academy of Sciences of the United States of America. 2007-07-10, roč. 104, čís. 28, s. 11666–11669. PMID 17620620 PMCID: PMC1913849. Dostupné online [cit. 2017-06-08]. ISSN 0027-8424. doi:10.1073/pnas.0608477104. PMID 17620620.
JARMAN, Simon N.; MCINNES, Julie C.; FAUX, Cassandra. Adélie Penguin Population Diet Monitoring by Analysis of Food DNA in Scats. PLoS ONE. 2013-12-16, roč. 8, čís. 12. PMID 24358158 PMCID: PMC3864945. Dostupné online [cit. 2019-10-08]. ISSN 1932-6203. doi:10.1371/journal.pone.0082227. PMID 24358158.
EMSLIE, Steven D.; MCKENZIE, Ashley; PATTERSON, William P. The rise and fall of an ancient Adélie penguin ‘supercolony’ at Cape Adare, Antarctica. Royal Society Open Science. 2018-04-18, roč. 5, čís. 4. PMID 29765656 PMCID: PMC5936921. Dostupné online [cit. 2020-07-24]. ISSN 2054-5703. doi:10.1098/rsos.172032. PMID 29765656.
KAPPES, Peter J.; DUGGER, Katie M.; LESCROËL, Amélie. Age‐related reproductive performance of the Adélie penguin, a long‐lived seabird exhibiting similar outcomes regardless of individual life‐history strategy. Journal of Animal Ecology. 2021-04, roč. 90, čís. 4, s. 931–942. Dostupné online [cit. 2023-06-15]. ISSN 0021-8790. doi:10.1111/1365-2656.13422. (anglicky)
RUSSELL, Douglas G. D.; SLADEN, William J. L.; AINLEY, David G. Dr. George Murray Levick (1876–1956): unpublished notes on the sexual habits of the Adélie penguin. Polar Record. 2012/10, roč. 48, čís. 4, s. 387–393. Dostupné online [cit. 2017-06-08]. ISSN 0032-2474. doi:10.1017/S0032247412000216.
ROEDER, Amy; MARSHALL, Richelle; MITCHELSON, Amanda. Gene flow on the ice: Genetic differentiation among Adélie penguin colonies around Antarctica. Molecular ecology. 2001-08-01, roč. 10, s. 1645–56. Dostupné online [cit. 2019-10-08]. doi:10.1046/j.0962-1083.2001.01312.x.

earthsky.org (Global: 9,771^st place; Czech: 4,092^nd place)

Happy World Penguin Day. EarthSky [online]. [cit. 2017-06-16]. Dostupné online. (anglicky)

globalclassroom.org (Global: low place; Czech: low place)

Natural Resources in Antarctica. Global Classroom [online]. [cit. 2017-06-21]. Dostupné online. (anglicky)

google.com (Global: 109^th place; Czech: 365^th place)

Pravděpodobné trasy a přibližná vzdálenost mezi Antarktidou a břehem jižní Ameriky a Austrálie, kam se tučňák kroužkový může zatoulat během mimo hnízdního období (Google Maps)

gutenberg.org (Global: 629^th place; Czech: 815^th place)

LEVICK, George Murray. Antarctic Penguins: A Study of Their Social Habits. Redakce Projekt Gutenberg. London: William Heinemann, 2011. Dostupné online. Kapitola Appendix, s. 199. (anglicky)

iucnredlist.org (Global: 39^th place; Czech: 24^th place)

The IUCN Red List of Threatened Species 2021.3. 9. prosince 2021. Dostupné online. [cit. 2021-12-27].
BirdLife International. Pygoscelis adeliae (Adélie Penguin). www.iucnredlist.org [online]. IUCN, 2018 [cit. 2021-01-03]. Dostupné online.
BirdLife International 2020. Pygoscelis adeliae (Adélie Penguin). www.iucnredlist.org [online]. IUCN, 2020-09-15 [cit. 2021-01-03]. Dostupné online.

kle.cz (Global: low place; Czech: low place)

Seznam významných dnů. kle.cz [online]. [cit. 2017-06-16]. Dostupné online.

marinebio.org (Global: low place; Czech: low place)

Adelie Penguins, Pygoscelis adeliae. MarineBio [online]. [cit. 2023-06-15]. Dostupné online. (anglicky)

national-geographic.cz (Global: low place; Czech: 737^th place)

Vědci 100 let cenzurovali studii o sexuálním chování tučňáků. Byla příliš šokující. National Geographic Česko [online]. [cit. 2017-06-08]. Dostupné online.

nationalgeographic.com (Global: 489^th place; Czech: 319^th place)

news.nationalgeographic.com

SIDDER, Aaron. Antarctica Could Lose Most of Its Penguins to Climate Change. National Geographic. 2016-06-29. Dostupné online [cit. 2017-06-18]. (anglicky)

nih.gov (Global: 5^th place; Czech: 8^th place)

ncbi.nlm.nih.gov

BAKER, Allan J; PEREIRA, Sergio Luiz; HADDRATH, Oliver P. Multiple gene evidence for expansion of extant penguins out of Antarctica due to global cooling. Proceedings of the Royal Society B: Biological Sciences. 2006-01-07, roč. 273, čís. 1582, s. 11–17. PMID 16519228 PMCID: PMC1560011. Dostupné online [cit. 2017-06-08]. ISSN 0962-8452. doi:10.1098/rspb.2005.3260. PMID 16519228.
EMSLIE, Steven D.; PATTERSON, William P. Abrupt recent shift in δ13C and δ15N values in Adélie penguin eggshell in Antarctica. Proceedings of the National Academy of Sciences of the United States of America. 2007-07-10, roč. 104, čís. 28, s. 11666–11669. PMID 17620620 PMCID: PMC1913849. Dostupné online [cit. 2017-06-08]. ISSN 0027-8424. doi:10.1073/pnas.0608477104. PMID 17620620.
JARMAN, Simon N.; MCINNES, Julie C.; FAUX, Cassandra. Adélie Penguin Population Diet Monitoring by Analysis of Food DNA in Scats. PLoS ONE. 2013-12-16, roč. 8, čís. 12. PMID 24358158 PMCID: PMC3864945. Dostupné online [cit. 2019-10-08]. ISSN 1932-6203. doi:10.1371/journal.pone.0082227. PMID 24358158.
EMSLIE, Steven D.; MCKENZIE, Ashley; PATTERSON, William P. The rise and fall of an ancient Adélie penguin ‘supercolony’ at Cape Adare, Antarctica. Royal Society Open Science. 2018-04-18, roč. 5, čís. 4. PMID 29765656 PMCID: PMC5936921. Dostupné online [cit. 2020-07-24]. ISSN 2054-5703. doi:10.1098/rsos.172032. PMID 29765656.

penguins.cl (Global: low place; Czech: 5,990^th place)

Penguins: Adelie Penguins - Pygoscelis adeliae. www.penguins.cl [online]. [cit. 2017-06-09]. Dostupné online.

penguinscience.com (Global: low place; Czech: low place)

Penguinscience - understanding penguin response to climate and ecosystem change. www.penguinscience.com [online]. [cit. 2017-06-21]. Dostupné v archivu pořízeném z originálu dne 2017-05-25.

penguinworld.com (Global: low place; Czech: low place)

Penguin Prostitution. PenguinWorld [online]. [cit. 2017-07-09]. Dostupné online.

pinguine.net (Global: low place; Czech: 3,677^th place)

Adéliepinguin. Pinguine.net [online]. [cit. 2017-06-08]. Dostupné online. (německy)
Gehör | Pinguine.net. www.pinguine.net [online]. [cit. 2017-06-08]. Dostupné online. (německy)

poletopolecampaign.org (Global: low place; Czech: low place)

Species factsheet: Adelie penguin. www.poletopolecampaign.org [online]. PoleToPole Campaign, 2013-06-01 [cit. 2023-06-015]. Dostupné online. (anglicky)

researchgate.net (Global: 96^th place; Czech: 98^th place)

ROEDER, Amy; MARSHALL, Richelle; MITCHELSON, Amanda. Gene flow on the ice: Genetic differentiation among Adélie penguin colonies around Antarctica. Molecular ecology. 2001-08-01, roč. 10, s. 1645–56. Dostupné online [cit. 2019-10-08]. doi:10.1046/j.0962-1083.2001.01312.x.

rozhlas.cz (Global: 1,489^th place; Czech: 12^th place)

Lovecká technika tučňáků kroužkových. Plus [online]. Český rozhlas, 2013-01-22 [cit. 2017-06-08]. Dostupné online.

seatemperature.info (Global: low place; Czech: low place)

Sea water temperature Antarctica (Antarctida) today. Sea surface temperature Antarctica now. Current Antarctica water temperature.. SeaTemperature.info [online]. [cit. 2017-06-12]. Dostupné online. (anglicky)

telegraph.co.uk (Global: 40^th place; Czech: 103^rd place)

BOULT, Adam. It's Penguin Awareness Day: How aware of penguins are you?. The Daily Telegraph [online]. 2016-01-20 [cit. 2019-03-03]. Dostupné online. ISSN 0307-1235. (anglicky)

timeanddate.com (Global: 1,890^th place; Czech: 756^th place)

Fun Holiday – Penguin Awareness Day [online]. [cit. 2019-03-03]. Dostupné online. (anglicky)

web.archive.org (Global: 1^st place; Czech: 1^st place)

Gentoo penguin - Pygoscelis papua - Information - ARKive - description. Arkive [online]. [cit. 2019-02-26]. Dostupné v archivu pořízeném z originálu dne 2009-10-06.
REJCEK, Peter. On the Move. The Antarctic Sun [online]. 2010-08-13 [cit. 2017-06-08]. Dostupné v archivu pořízeném dne 2017-02-16. (anglicky)
REUNES-VANHAEVRE, Hedwig. Pygoscelis. Pinguins info [online]. [cit. 2017-06-08]. Dostupné v archivu pořízeném dne 2010-05-01. (anglicky)
Pinguins info - penguin - information about Pygoscelis penguins. www.pinguins.info [online]. [cit. 2019-10-08]. Dostupné v archivu pořízeném dne 2010-05-01.
Adélie Penguins. Adélie facts. Predators [online]. Manaaki Whenua – Landcare Research [cit. 2019-02-26]. Dostupné v archivu pořízeném dne 2019-02-27. (anglicky)
Penguinscience - understanding penguin response to climate and ecosystem change. www.penguinscience.com [online]. [cit. 2017-06-21]. Dostupné v archivu pořízeném z originálu dne 2017-05-25.

wiley.com (Global: 150^th place; Czech: 67^th place)

onlinelibrary.wiley.com

KAPPES, Peter J.; DUGGER, Katie M.; LESCROËL, Amélie. Age‐related reproductive performance of the Adélie penguin, a long‐lived seabird exhibiting similar outcomes regardless of individual life‐history strategy. Journal of Animal Ecology. 2021-04, roč. 90, čís. 4, s. 931–942. Dostupné online [cit. 2023-06-15]. ISSN 0021-8790. doi:10.1111/1365-2656.13422. (anglicky)

worldcat.org (Global: 4^th place; Czech: 2^nd place)

BAKER, Allan J; PEREIRA, Sergio Luiz; HADDRATH, Oliver P. Multiple gene evidence for expansion of extant penguins out of Antarctica due to global cooling. Proceedings of the Royal Society B: Biological Sciences. 2006-01-07, roč. 273, čís. 1582, s. 11–17. PMID 16519228 PMCID: PMC1560011. Dostupné online [cit. 2017-06-08]. ISSN 0962-8452. doi:10.1098/rspb.2005.3260. PMID 16519228.
EMSLIE, Steven D.; PATTERSON, William P. Abrupt recent shift in δ13C and δ15N values in Adélie penguin eggshell in Antarctica. Proceedings of the National Academy of Sciences of the United States of America. 2007-07-10, roč. 104, čís. 28, s. 11666–11669. PMID 17620620 PMCID: PMC1913849. Dostupné online [cit. 2017-06-08]. ISSN 0027-8424. doi:10.1073/pnas.0608477104. PMID 17620620.
JARMAN, Simon N.; MCINNES, Julie C.; FAUX, Cassandra. Adélie Penguin Population Diet Monitoring by Analysis of Food DNA in Scats. PLoS ONE. 2013-12-16, roč. 8, čís. 12. PMID 24358158 PMCID: PMC3864945. Dostupné online [cit. 2019-10-08]. ISSN 1932-6203. doi:10.1371/journal.pone.0082227. PMID 24358158.
EMSLIE, Steven D.; MCKENZIE, Ashley; PATTERSON, William P. The rise and fall of an ancient Adélie penguin ‘supercolony’ at Cape Adare, Antarctica. Royal Society Open Science. 2018-04-18, roč. 5, čís. 4. PMID 29765656 PMCID: PMC5936921. Dostupné online [cit. 2020-07-24]. ISSN 2054-5703. doi:10.1098/rsos.172032. PMID 29765656.
KAPPES, Peter J.; DUGGER, Katie M.; LESCROËL, Amélie. Age‐related reproductive performance of the Adélie penguin, a long‐lived seabird exhibiting similar outcomes regardless of individual life‐history strategy. Journal of Animal Ecology. 2021-04, roč. 90, čís. 4, s. 931–942. Dostupné online [cit. 2023-06-15]. ISSN 0021-8790. doi:10.1111/1365-2656.13422. (anglicky)
RUSSELL, Douglas G. D.; SLADEN, William J. L.; AINLEY, David G. Dr. George Murray Levick (1876–1956): unpublished notes on the sexual habits of the Adélie penguin. Polar Record. 2012/10, roč. 48, čís. 4, s. 387–393. Dostupné online [cit. 2017-06-08]. ISSN 0032-2474. doi:10.1017/S0032247412000216.
BOULT, Adam. It's Penguin Awareness Day: How aware of penguins are you?. The Daily Telegraph [online]. 2016-01-20 [cit. 2019-03-03]. Dostupné online. ISSN 0307-1235. (anglicky)

wwf.org.uk (Global: low place; Czech: low place)

Adélie penguins. WWF [online]. [cit. 2017-06-21]. Dostupné online. (anglicky)

youtube.com (Global: 13^th place; Czech: 21^st place)

Tučňák kroužkový při páření (YouTube): https://www.youtube.com/watch?v=Cl2oPt5zSQw
Krmení mláďat (YouTube): https://www.youtube.com/watch?v=mDNsEkXvp68

Tučňák kroužkový (Czech Wikipedia)

animaldiversity.org (Global: 1,343rd place; Czech: 174th place)

antarctica.gov.au (Global: low place; Czech: 5,224th place)

archive.org (Global: 6th place; Czech: 5th place)

arkive.org (Global: 4,457th place; Czech: 1,451st place)

bbc.co.uk (Global: 11th place; Czech: 32nd place)

news.bbc.co.uk

biolib.cz (Global: 867th place; Czech: 54th place)

birdlife.org (Global: 932nd place; Czech: 1,079th place)

datazone.birdlife.org

britannica.com (Global: 37th place; Czech: 38th place)

cambridge.org (Global: 209th place; Czech: 217th place)

climatestotravel.com (Global: low place; Czech: low place)

csfd.cz (Global: 594th place; Czech: 29th place)

cuni.cz (Global: 2,654th place; Czech: 33rd place)

dspace.cuni.cz

doi.org (Global: 2nd place; Czech: 4th place)

earthsky.org (Global: 9,771st place; Czech: 4,092nd place)

globalclassroom.org (Global: low place; Czech: low place)

google.com (Global: 109th place; Czech: 365th place)

gutenberg.org (Global: 629th place; Czech: 815th place)

iucnredlist.org (Global: 39th place; Czech: 24th place)

kle.cz (Global: low place; Czech: low place)

marinebio.org (Global: low place; Czech: low place)

national-geographic.cz (Global: low place; Czech: 737th place)

nationalgeographic.com (Global: 489th place; Czech: 319th place)

news.nationalgeographic.com

nih.gov (Global: 5th place; Czech: 8th place)

ncbi.nlm.nih.gov

penguins.cl (Global: low place; Czech: 5,990th place)

penguinscience.com (Global: low place; Czech: low place)

penguinworld.com (Global: low place; Czech: low place)

pinguine.net (Global: low place; Czech: 3,677th place)

poletopolecampaign.org (Global: low place; Czech: low place)

researchgate.net (Global: 96th place; Czech: 98th place)

rozhlas.cz (Global: 1,489th place; Czech: 12th place)

seatemperature.info (Global: low place; Czech: low place)

telegraph.co.uk (Global: 40th place; Czech: 103rd place)

timeanddate.com (Global: 1,890th place; Czech: 756th place)

web.archive.org (Global: 1st place; Czech: 1st place)

wiley.com (Global: 150th place; Czech: 67th place)

onlinelibrary.wiley.com

worldcat.org (Global: 4th place; Czech: 2nd place)

wwf.org.uk (Global: low place; Czech: low place)

youtube.com (Global: 13th place; Czech: 21st place)

animaldiversity.org (Global: 1,343^rd place; Czech: 174^th place)

antarctica.gov.au (Global: low place; Czech: 5,224^th place)

archive.org (Global: 6^th place; Czech: 5^th place)

arkive.org (Global: 4,457^th place; Czech: 1,451^st place)

bbc.co.uk (Global: 11^th place; Czech: 32^nd place)

biolib.cz (Global: 867^th place; Czech: 54^th place)

birdlife.org (Global: 932^nd place; Czech: 1,079^th place)

britannica.com (Global: 37^th place; Czech: 38^th place)

cambridge.org (Global: 209^th place; Czech: 217^th place)

csfd.cz (Global: 594^th place; Czech: 29^th place)

cuni.cz (Global: 2,654^th place; Czech: 33^rd place)

doi.org (Global: 2^nd place; Czech: 4^th place)

earthsky.org (Global: 9,771^st place; Czech: 4,092^nd place)

google.com (Global: 109^th place; Czech: 365^th place)

gutenberg.org (Global: 629^th place; Czech: 815^th place)

iucnredlist.org (Global: 39^th place; Czech: 24^th place)

national-geographic.cz (Global: low place; Czech: 737^th place)

nationalgeographic.com (Global: 489^th place; Czech: 319^th place)

nih.gov (Global: 5^th place; Czech: 8^th place)

penguins.cl (Global: low place; Czech: 5,990^th place)

pinguine.net (Global: low place; Czech: 3,677^th place)

researchgate.net (Global: 96^th place; Czech: 98^th place)

rozhlas.cz (Global: 1,489^th place; Czech: 12^th place)

telegraph.co.uk (Global: 40^th place; Czech: 103^rd place)

timeanddate.com (Global: 1,890^th place; Czech: 756^th place)

web.archive.org (Global: 1^st place; Czech: 1^st place)

wiley.com (Global: 150^th place; Czech: 67^th place)

worldcat.org (Global: 4^th place; Czech: 2^nd place)

youtube.com (Global: 13^th place; Czech: 21^st place)