Rhino Resource Center

Welcome to the world's largest online rhinoceros library dedicated to assisting research and conservation efforts globally.

A rhino pregnancy lasts nearly a year and a half

All five rhino species carry their young for 15 to 16 months, one of the longest pregnancies of any land mammal. A female produces a single calf, and then not another for three or four years.

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Rhino image of the day

The Rhino Image Library

The Rhino Image Library provides 7748 rhino related images.

Dallet 1892 Rinoceronte disputato

Male rhino in captivity

Javan Rhino in Mainz museum

Rhinoceros sondaicus annamiticus in Hanoi

Pallenberg bronze of two rhinos

Pallenberg 1904 bronze

Burch: Rhinoceros nunquam vurtus ab hoste redit

Bouverie Goddard: Javan in London Zoo

Javan Rhino in London 1874

Dixon: Javan in London Zoo

Javan rhino in London Zoo 1884

Horsfield drawing of Javan rhino

Horsfield: Javan rhinoceros

Rabier 1939: elephant and rhino fight

Rabier 1939: rhino fights elephant and lion

Rabier 1939: Rhino asleep

Rabier 1939: rhino, hippo, goose

Rabier 1939: Rhino and goose

Rabier 193: monkeys throwing rings

Rabier 1939: Rhino helping a baby

Rabier 1939: Gedeon resting on rhino

Rabier 1925 Gedeon the goose

Rabier 1934 Rhino and crocodile

Rabier 1934 Crocodile and rhinoceros

Rabier 1933 Caraco

Rabier 1933 Domestic rhinoceros

Rabier 1911 complaisant rhinoceros

Paquet the bear and rhino

Rabier 1905 Chase the bomb

Scherer 1710 Atlas novus

Scherer 1710 South America map

Detail of Scherer 1710 American map

Map of South America with Dürer-rhino 1710

See all images in the Rhino Image Library

The Rhino Document Library

The Rhino Document Library contains a total of 30648 references.

Van Merkel, D.; Gautam, N.; Carter, N.H.; Di Minin, E.; Zhang, Y.; Mei, H.; Yin, S.; et al. 2026. YouTube content on wildlife engages audiences but rarely drives meaningful conservation action. Communications Sustainability 1 (26): 1-9. doi.org/10.1038/s44458-025-00018-2

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Barat, A.; Sansó, A.; Arilla, M.; Blasco, R.; Cifuentes-Alcobendas, G.; Llorente-Pérez, R.; Vivar-Ríos, D.; et al. 2026. Additive partitioning of Shannon diversity in Palaeolithic zooarchaeology: a case study from Qesem Cave. Journal of Archaeological Method and Theory 33 (65): 1-42. doi.org/10.1007/s10816-026-09802-3

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Vychodilova, L.; Janova, E.; Plasil, M.; Futas, J.; Stejskalova, K.; Oppelt, J.; Horin, P. 2026. Comparative genomic analysis of oxytocin and oxytocin receptor genes in the family Equidae. Molecular Biology Reports 53 (1405): 1-14. doi.org/10.1007/s11033-026-12585-1

Goosen, W.J.; Kerr, T.J.; Kleynhans, L.; Buss, P.; Cooper, D.; Warren, R.M.; Helden, P.D. van; et al. 2020. The VetMAX™ M. tuberculosis complex PCR kit detects MTBC DNA in antemortem and postmortem samples from white rhinoceros (Ceratotherium simum), African elephants (Loxodonta africana) and African buffaloes (Syncerus caffer). BMC Veterinary Research 16 (220): 1-6. doi.org/10.1186/s12917-020-02438-9

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Ameade, E.P.K.; Attuquayefio, D.K.; Gbogbo, F.; Adusei Sarkodie, J.; Ofori, B.Y.; Awutey, F.; Omoro, A.; et al. 2027. The economic value of animals traded for traditional medicine in Ghana and its effect on biodiversity conservation. Human Ecology 55 (13): 1-15. doi.org/10.1007/s10745-026-00777-z

Davison, T.; Miller, Penny 1967. Wankie – the story of a great game reserve. Cape Town, Books of Africa Publishing. pp. 146-154 (Chapter 15: Rhinoceros).

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Botswana Rhino Management Committee; Botswana Department of Wildlife and National Parks; Basin-wide Forum; Every River Has its People Project; Kalahari Conservation Society 2007. Monitoring Botswana Rhino – a guide. Gaborone, Botswana, Kalahari Conservation Society Publisher . pp. 1-25.

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Dallet, G. 1891. Il mondo visto dagli scienziati del secolo XIX. Milano, Edoardo Sonzogno.

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Ivens, C. 1898. L’Angola méridional. Bulletin de la Société d'Etudes Coloniales 5 (5): 233-269.

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MacLellan, I. 1874. Rhinoceros hunting [poem]; The rhinoceros (Rhinoceros unicornis). American Sportsman 7 February 1874: 1.

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Oliveira de Cadornega, A. 1942. Historia geral das guerras angolanas por Antonio de Oliveira de Cadornega, 1681. Revisto e anatado por Manuel Alves Da Cunha, vol. 3. Lisbon, Agencia Geral das Colonias.

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Neupane, B.; Dahal, B.R.; Aryal, P.C.; Pun, S.; Basnet, M.; Pandey, A.; Kandel, S.; et al. 2027. Bridging conservation and human-wildlife conflict for coexistence. Human Ecology 55 (3): 1-12. doi.org/10.1007/s10745-026-00801-2

Bryant, B.; Campbell-Ward, M.; Kimble, B.; Govendir, M. 2024. Pharmacokinetic profiles of oral phenylbutazone, meloxicam, and firocoxib in southern black rhinoceros (Diceros bicornis minor). Journal of Zoo and Wildlife Medicine 55 (3): 547-554. doi.org/10.1638/2023-0080

Khan, I.; Rungsiwiwut, R.; Thongphakdee, A.; Angchuan, C.; Samruan, W.; Khalil, A.A.K.; Parnpai, R. 2026. From somatic cells to offspring: iPSC-based gametogenesis for animal conservation and livestock production. Biology 15 (20) 1833: 1-24. doi.org/10.3390/biology15201833

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Reed, C.G.; Lemoine, N.P.; Budny, M.L.; Clarke, V.C.; Du Toit, J.T.; Helcoski, R.; Knoetze, H.; et al. 2026. Nutrient legacies from elephant megacarcasses create coldspots of biodiversity and hotspots of ecosystem processes. Proceedings of the National Academy of Sciences 123 (43) e2605332123: 1-9. doi.org/10.1073/pnas.2605332123

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See all references in the Rhino Document Library

Javan Rhino

Greater One-horned Rhino

Nile Rhino

Southern White Rhino

Black Rhino

Sumatran Rhino

Fossil Rhino

Rhino collections

History of Clara

Clara the Rhinoceros tells the marvellous story of the most famous rhinoceros in history.

Geraads Fossil Rhino Database

Old World Neogene and Quaternary rhino-bearing localities.

RRC Newsletters

All newsletters from the start in 2005 were edited and composed by Dr. Kees Rookmaaker, Editor of the Rhino Resource Center.

Carino Database

East Asian and West African Rhinos.

Gallery of Modern Art

Rhino Depictions In Contemporary Modern Art.

Announcements

RRC @ 30,000

Our new website is now online

The Rhino Resource Centre has unveiled its completely redesigned website.

The Rhinoceros of South Asia – DISCOUNT

A book by Kees Rookmaaker with chapters by Joachim K. Bautze and Kelly Enright.

Nobody knows why the white rhino is called 'white'

The white rhino is grey. The popular story says its name is a corruption of the Dutch word wijd (wide), for its wide mouth. There is one problem: no historical source has ever been found that uses it.

Learn more about rhinos