Okapi (English Wikipedia)

Palkovacs, E. "Okapi Okapia johnstoni". Animal Diversity Web. University of Michigan Museum of Zoology. Retrieved 17 April 2015.
"Okapia johnstoni (Okapi)". Animal Diversity Web.

archive.org

"Proceedings of the general meetings for scientific business of the Zoological Society of London". Proceedings of the Zoological Society of London. 2 (1): 1–5. 1901.(May to December)
Nasoori, Alireza (2020). "Formation, structure, and function of extra-skeletal bones in mammals". Biological Reviews. 95 (4): 986–1019. doi:10.1111/brv.12597. PMID 32338826. S2CID 216556342.

biodiversitylibrary.org

Sclater, Philip Lutley (1901). "On an Apparently New Species of Zebra from the Semliki Forest". Proceedings of the Zoological Society of London. 1: 50–52 – via Biodiversity Heritage Library.

bristolzoo.org.uk

"Helping to protect endangered species around the world". Bristol Zoo. 17 May 2019. Retrieved 23 February 2021.

cbslocal.com

newyork.cbslocal.com

"Baby Okapi Makes Public Debut At Bronx Zoo". newyork.cbslocal.com. 8 November 2011. Retrieved 19 October 2018.

chicago.cbslocal.com

"Brookfield Zoo Celebrates Its 28th Okapi Birth Since 1959". chicago.cbslocal.com. 26 May 2017. Retrieved 4 October 2017.

diergaardeblijdorp.nl

"Rare okapi born in Rotterdam Zoo". Rotterdam Zoo. 2 September 2019. Archived from the original on 20 February 2020. Retrieved 20 February 2020.

doi.org

Mallon, D.; Kümpel, N.; Quinn, A.; Shurter, S.; Lukas, J.; Hart, J.A.; Mapilanga, J.; Beyers, R.; Maisels, F. (2015). "Okapia johnstoni". IUCN Red List of Threatened Species. 2015: e.T15188A51140517. doi:10.2305/IUCN.UK.2015-4.RLTS.T15188A51140517.en. Retrieved 19 November 2021.
Stanton, D.; Hart, J.; Vosper, A.; Kümpel, N.; Wang, J.; Ewen, J.; Bruford, M. (2016). "Non-invasive genetic identification confirms the presence of the Endangered okapi Okapia johnstoni south-west of the Congo River". Oryx. 50 (1): 134–137. doi:10.1017/S0030605314000593.
Colbert, E. H. (February 1938). "The relationships of the okapi". Journal of Mammalogy. 19 (1): 47–64. doi:10.2307/1374281. JSTOR 1374281.
Geraads, Denis (January 1986). "Remarques sur la systématique et la phylogénie des Giraffidae (Artiodactyla, Mammalia)". Geobios. 19 (4): 465–477. Bibcode:1986Geobi..19..465G. doi:10.1016/S0016-6995(86)80004-3.
Mitchell, G.; Skinner, J. D. (2003). "On the origin, evolution and phylogeny of giraffes Giraffa camelopardalis". Transactions of the Royal Society of South Africa. 58 (1): 51–73. Bibcode:2003TRSSA..58...51M. doi:10.1080/00359190309519935. S2CID 6522531.
Agaba, M.; Ishengoma, E.; Miller, W. C.; McGrath, B. C.; Hudson, C. N.; Bedoya Reina, O. C.; Ratan, A.; Burhans, R.; Chikhi, R.; Medvedev, P.; Praul, C. A.; Wu-Cavener, L.; Wood, B.; Robertson, H.; Penfold, L.; Cavener, D. R. (May 2016). "Giraffe genome sequence reveals clues to its unique morphology and physiology". Nature. 7: 11519. Bibcode:2016NatCo...711519A. doi:10.1038/ncomms11519. PMC 4873664. PMID 27187213.
Bodmer, R. E.; Rabb, G. B. (10 December 1992). "Okapia johnstoni" (PDF). Mammalian Species (422): 1–8. doi:10.2307/3504153. JSTOR 3504153. S2CID 253915266. Archived from the original (PDF) on 24 September 2015. Retrieved 17 April 2015.
Nasoori, Alireza (2020). "Formation, structure, and function of extra-skeletal bones in mammals". Biological Reviews. 95 (4): 986–1019. doi:10.1111/brv.12597. PMID 32338826. S2CID 216556342.
Solounias, N. (November 1988). "Prevalence of ossicones in Giraffidae (Artiodactyla, Mammalia)". Journal of Mammalogy. 69 (4): 845–8. doi:10.2307/1381645. JSTOR 1381645.
Dagg, A. I. (May 1960). "Gaits of the Giraffe and Okapi". Journal of Mammalogy. 41 (2): 282. doi:10.2307/1376381. JSTOR 1376381.
Sever, Zvi (3 October 2020). "Searching for the okapi (Okapia johnstoni) in Semuliki National Park, Uganda". African Journal of Ecology. 59 (1): 286–292. doi:10.1111/aje.12796. S2CID 224839859. Retrieved 26 March 2021.

earthtouchnews.com

"New hope for the elusive okapi, Congo's mini giraffe". Earth Touch News Network. Retrieved 9 November 2017.

eaza.net

"Okapi's Half-Century" (PDF). Zooquaria (85). EAZA: 7. Spring 2014. Archived from the original (PDF) on 25 August 2021. Retrieved 23 February 2021.

epulu-story.org

Hebert, Amanda (26 November 2013). "Okapi Added to IUCN'S Endangered Species List". Jacksonville, Florida: Okapi Conservation Project. Retrieved 3 June 2014.

flanderstoday.eu

"Of okapis and men: Antwerp Zoo helps preserve endangered species". Flanders Today. 12 August 2016. Archived from the original on 14 August 2016. Retrieved 27 May 2018.

gbif.org

"Okapia johnstoni (P.L.Sclater, 1901)". Global Biodiversity Information Facility. Retrieved 1 January 2025.

giraffidsg.org

"Okapi Conservation Strategy and Status Review" (PDF). www.giraffidsg.org. 21 February 2018. Archived from the original (PDF) on 21 February 2018. Retrieved 21 February 2018.

harvard.edu

ui.adsabs.harvard.edu

Geraads, Denis (January 1986). "Remarques sur la systématique et la phylogénie des Giraffidae (Artiodactyla, Mammalia)". Geobios. 19 (4): 465–477. Bibcode:1986Geobi..19..465G. doi:10.1016/S0016-6995(86)80004-3.
Mitchell, G.; Skinner, J. D. (2003). "On the origin, evolution and phylogeny of giraffes Giraffa camelopardalis". Transactions of the Royal Society of South Africa. 58 (1): 51–73. Bibcode:2003TRSSA..58...51M. doi:10.1080/00359190309519935. S2CID 6522531.
Agaba, M.; Ishengoma, E.; Miller, W. C.; McGrath, B. C.; Hudson, C. N.; Bedoya Reina, O. C.; Ratan, A.; Burhans, R.; Chikhi, R.; Medvedev, P.; Praul, C. A.; Wu-Cavener, L.; Wood, B.; Robertson, H.; Penfold, L.; Cavener, D. R. (May 2016). "Giraffe genome sequence reveals clues to its unique morphology and physiology". Nature. 7: 11519. Bibcode:2016NatCo...711519A. doi:10.1038/ncomms11519. PMC 4873664. PMID 27187213.

huffingtonpost.com

Flocken, J. (29 June 2012). "Tragic Losses in the Heart of Darkness". HuffPost. Retrieved 18 April 2015.

iucnredlist.org

Mallon, D.; Kümpel, N.; Quinn, A.; Shurter, S.; Lukas, J.; Hart, J.A.; Mapilanga, J.; Beyers, R.; Maisels, F. (2015). "Okapia johnstoni". IUCN Red List of Threatened Species. 2015: e.T15188A51140517. doi:10.2305/IUCN.UK.2015-4.RLTS.T15188A51140517.en. Retrieved 19 November 2021.

jstor.org

Colbert, E. H. (February 1938). "The relationships of the okapi". Journal of Mammalogy. 19 (1): 47–64. doi:10.2307/1374281. JSTOR 1374281.
Bodmer, R. E.; Rabb, G. B. (10 December 1992). "Okapia johnstoni" (PDF). Mammalian Species (422): 1–8. doi:10.2307/3504153. JSTOR 3504153. S2CID 253915266. Archived from the original (PDF) on 24 September 2015. Retrieved 17 April 2015.
Solounias, N. (November 1988). "Prevalence of ossicones in Giraffidae (Artiodactyla, Mammalia)". Journal of Mammalogy. 69 (4): 845–8. doi:10.2307/1381645. JSTOR 1381645.
Dagg, A. I. (May 1960). "Gaits of the Giraffe and Okapi". Journal of Mammalogy. 41 (2): 282. doi:10.2307/1376381. JSTOR 1376381.

libguides.com

ielc.libguides.com

Jirik, Kate. "Okapia johnstoni Fact Sheet". ielc.libguides.com. San Diego Zoo Wildlife Alliance. Retrieved 28 August 2021.

marylandzoo.org

"Okapi". The Maryland Zoo. Retrieved 1 January 2025.

minotdailynews.com

"Okapi arrives at Roosevelt Park Zoo". Minot Daily News. 15 September 2017. Archived from the original on 6 August 2020. Retrieved 18 May 2020.

mongabay.com

news.mongabay.com

Jones, P. (3 April 2013). "Infamous elephant poacher turns cannibal in the Congo". Mongabay. Retrieved 16 July 2017.

news.google.com

"Why Is the Okapi Called a Living Fossil". The Milwaukee Journal. 24 June 1954.^{[permanent dead link]}

nih.gov

pubmed.ncbi.nlm.nih.gov

Agaba, M.; Ishengoma, E.; Miller, W. C.; McGrath, B. C.; Hudson, C. N.; Bedoya Reina, O. C.; Ratan, A.; Burhans, R.; Chikhi, R.; Medvedev, P.; Praul, C. A.; Wu-Cavener, L.; Wood, B.; Robertson, H.; Penfold, L.; Cavener, D. R. (May 2016). "Giraffe genome sequence reveals clues to its unique morphology and physiology". Nature. 7: 11519. Bibcode:2016NatCo...711519A. doi:10.1038/ncomms11519. PMC 4873664. PMID 27187213.
Nasoori, Alireza (2020). "Formation, structure, and function of extra-skeletal bones in mammals". Biological Reviews. 95 (4): 986–1019. doi:10.1111/brv.12597. PMID 32338826. S2CID 216556342.
Schwarzenberger, F.; Rietschel, W.; Matern, B.; Schaftenaar, W.; Bircher, P.; van Puijenbroeck, B.; Leus, K. (December 1999). "Noninvasive reproductive monitoring in the okapi (Okapia johnstoni)". Journal of Zoo and Wildlife Medicine. 30 (4). The American Association of Zoo Veterinarians: 497–503. PMID 10749434.

ncbi.nlm.nih.gov

Agaba, M.; Ishengoma, E.; Miller, W. C.; McGrath, B. C.; Hudson, C. N.; Bedoya Reina, O. C.; Ratan, A.; Burhans, R.; Chikhi, R.; Medvedev, P.; Praul, C. A.; Wu-Cavener, L.; Wood, B.; Robertson, H.; Penfold, L.; Cavener, D. R. (May 2016). "Giraffe genome sequence reveals clues to its unique morphology and physiology". Nature. 7: 11519. Bibcode:2016NatCo...711519A. doi:10.1038/ncomms11519. PMC 4873664. PMID 27187213.

nrdc.org

"A New Deal for the Okapi, Africa's "Unicorn"". NRDC. 13 December 2019. Retrieved 20 February 2020.

oed.com

"okapi, n." Oxford English Dictionary. Retrieved 3 April 2020.

okapiconservation.org

"Okapi SSP and EEP International Meeting". Okapi Conservation Project. Wildlife Conservation Global. Archived from the original on 18 April 2015. Retrieved 18 April 2015.
"Okapi Conservation Project | The Americas". okapiconservation.org. Archived from the original on 5 February 2021. Retrieved 13 May 2019.
"Okapi Conservation Project | Europe". okapiconservation.org. Archived from the original on 1 December 2017. Retrieved 25 November 2017.
"Okapi Conservation Project | Asia". okapiconservation.org. Archived from the original on 5 February 2021. Retrieved 13 May 2019.

pbase.com

"Ethiopian Delegation, Apadana Staircase, Persepolis by Richard Stone". PBase. Retrieved 4 March 2023.

potawatomizoo.org

"Okapi".

potterparkzoo.org

"Potter Park Zoo Welcomes Elombe the Okapi". potterparkzoo.org. 7 May 2024. Retrieved 25 September 2024.

sandiegouniontribune.com

Peterson, Karla (23 August 2017). "Endangered okapi born at San Diego Zoo". The San Diego Union-Tribune. Retrieved 23 February 2021.

sandiegozoo.org

animals.sandiegozoo.org

"Animals & Plants | Okapi". animals.sandiegozoo.org. Retrieved 4 October 2017.

semanticscholar.org

api.semanticscholar.org

Mitchell, G.; Skinner, J. D. (2003). "On the origin, evolution and phylogeny of giraffes Giraffa camelopardalis". Transactions of the Royal Society of South Africa. 58 (1): 51–73. Bibcode:2003TRSSA..58...51M. doi:10.1080/00359190309519935. S2CID 6522531.
Bodmer, R. E.; Rabb, G. B. (10 December 1992). "Okapia johnstoni" (PDF). Mammalian Species (422): 1–8. doi:10.2307/3504153. JSTOR 3504153. S2CID 253915266. Archived from the original (PDF) on 24 September 2015. Retrieved 17 April 2015.
Nasoori, Alireza (2020). "Formation, structure, and function of extra-skeletal bones in mammals". Biological Reviews. 95 (4): 986–1019. doi:10.1111/brv.12597. PMID 32338826. S2CID 216556342.
Sever, Zvi (3 October 2020). "Searching for the okapi (Okapia johnstoni) in Semuliki National Park, Uganda". African Journal of Ecology. 59 (1): 286–292. doi:10.1111/aje.12796. S2CID 224839859. Retrieved 26 March 2021.

smith.edu

science.smith.edu

Bodmer, R. E.; Rabb, G. B. (10 December 1992). "Okapia johnstoni" (PDF). Mammalian Species (422): 1–8. doi:10.2307/3504153. JSTOR 3504153. S2CID 253915266. Archived from the original (PDF) on 24 September 2015. Retrieved 17 April 2015.

talkorigins.org

Hunt, Kathleen. "Transitional Vertebrate Fossils FAQ Part 2C". TalkOrigins. Retrieved 28 April 2015.

uchicago.edu

oi.uchicago.edu

The Oriental Institute of the University of Chicago, Photographic Archives Archived 8 July 2008 at the Wayback Machine; photo detail Archived 21 February 2014 at the Wayback Machine. The Oriental Institute identifies the subject as an Okapi with a question mark.

wcs.org

newsroom.wcs.org

"Bronx Zoo Debuts Its Baby Okapi". WCSNewsroom. 27 July 2009. Retrieved 19 October 2018.

web.archive.org

The Oriental Institute of the University of Chicago, Photographic Archives Archived 8 July 2008 at the Wayback Machine; photo detail Archived 21 February 2014 at the Wayback Machine. The Oriental Institute identifies the subject as an Okapi with a question mark.
Bodmer, R. E.; Rabb, G. B. (10 December 1992). "Okapia johnstoni" (PDF). Mammalian Species (422): 1–8. doi:10.2307/3504153. JSTOR 3504153. S2CID 253915266. Archived from the original (PDF) on 24 September 2015. Retrieved 17 April 2015.
"Okapi Conservation Strategy and Status Review" (PDF). www.giraffidsg.org. 21 February 2018. Archived from the original (PDF) on 21 February 2018. Retrieved 21 February 2018.
"Rare okapi born in Rotterdam Zoo". Rotterdam Zoo. 2 September 2019. Archived from the original on 20 February 2020. Retrieved 20 February 2020.
Nixon, S. C.; Lusenge, T. (2008). Conservation status of okapi in Virunga National Park, Democratic Republic of Congo. ZSL Conservation Report No. 9 (PDF). London: The Zoological Society of London. Archived from the original (PDF) on 25 August 2021. Retrieved 22 November 2018.
"Okapi SSP and EEP International Meeting". Okapi Conservation Project. Wildlife Conservation Global. Archived from the original on 18 April 2015. Retrieved 18 April 2015.
"Of okapis and men: Antwerp Zoo helps preserve endangered species". Flanders Today. 12 August 2016. Archived from the original on 14 August 2016. Retrieved 27 May 2018.
"Okapi's Half-Century" (PDF). Zooquaria (85). EAZA: 7. Spring 2014. Archived from the original (PDF) on 25 August 2021. Retrieved 23 February 2021.
"Okapi arrives at Roosevelt Park Zoo". Minot Daily News. 15 September 2017. Archived from the original on 6 August 2020. Retrieved 18 May 2020.
"Okapi Conservation Project | The Americas". okapiconservation.org. Archived from the original on 5 February 2021. Retrieved 13 May 2019.
"Okapi Conservation Project | Europe". okapiconservation.org. Archived from the original on 1 December 2017. Retrieved 25 November 2017.
"Okapi Conservation Project | Asia". okapiconservation.org. Archived from the original on 5 February 2021. Retrieved 13 May 2019.

wiley.com

onlinelibrary.wiley.com

Sever, Zvi (3 October 2020). "Searching for the okapi (Okapia johnstoni) in Semuliki National Park, Uganda". African Journal of Ecology. 59 (1): 286–292. doi:10.1111/aje.12796. S2CID 224839859. Retrieved 26 March 2021.

yorkshirewildlifepark.com

"Rare Okapi Arrive at Yorkshire Wildlife Park". Yorkshire Wildlife Park. 17 May 2018. Retrieved 23 February 2021.

zmescience.com

"First pictures of the okapi or the African 'unicorn'". ZME Science. 12 September 2008. Retrieved 20 February 2020.

zsl.org

Nixon, S. C.; Lusenge, T. (2008). Conservation status of okapi in Virunga National Park, Democratic Republic of Congo. ZSL Conservation Report No. 9 (PDF). London: The Zoological Society of London. Archived from the original (PDF) on 25 August 2021. Retrieved 22 November 2018.