1. Reproductive Characteristics of a Hippopotamus Population along the Runde River, Gonarezhou National Park, Zimbabwe
Richard Peek, Tim O'Connor
African Journal of Wildlife Research  vol: 53  issue: 1  year: 2023  
doi: 10.3957/056.053.0103

2. Body mass estimate and in-vivo reconstruction of Hippopotamus antiquus from Figline, Upper Valdarno (Tuscany)
Marco Romano, Fabio Manucci, Luca Bellucci
Historical Biology  vol: 37  issue: 6  first page: 1541  year: 2025  
doi: 10.1080/08912963.2024.2380358

3. Age of sexual maturity in the hippopotamus
L. DITTRICH
International Zoo Yearbook  vol: 16  issue: 1  first page: 171  year: 1976  
doi: 10.1111/j.1748-1090.1976.tb00168.x

4. A review of some aspects of the ecology, population trends, threats and conservation strategies for the common hippopotamus,Hippopotamus amphibiusL, in Zimbabwe
Beaven Utete
African Zoology  vol: 55  issue: 3  first page: 187  year: 2020  
doi: 10.1080/15627020.2020.1779613

5. Hidden Hippos: Using Photogrammetry and Multiple Imputation to Determine the Age, Sex, and Body Condition of an Animal Often Partially Submerged
Victoria L. Inman, Keith E. A. Leggett
Drones  vol: 6  issue: 12  first page: 409  year: 2022  
doi: 10.3390/drones6120409

6. The Pygmy Hippopotamus Choeropsis liberiensis (Morton, 1849): Bringing to Light Research Priorities for the Largely Forgotten, Smaller Hippo Species
Gabriella L. Flacke, Brian K. Chambers, Graeme B. Martin, Monique C.J. Paris
Der Zoologische Garten  vol: 84  issue: 5-6  first page: 234  year: 2015  
doi: 10.1016/j.zoolgart.2015.07.006

7. Temporal and spatial patterns of common hippopotamus populations in the Okavango Delta, Botswana
Victoria L. Inman, Gilad Bino, Richard T. Kingsford, Michael J. Chase, Keith E. A. Leggett
Freshwater Biology  vol: 67  issue: 4  first page: 630  year: 2022  
doi: 10.1111/fwb.13868

8. Pleistocene debris-flow deposition of the hippopotamus-bearing Collecurti bonebed (Macerata, Central Italy): Taphonomic and paleoenvironmental analysis
P.P.A. Mazza, D. Ventra
Palaeogeography, Palaeoclimatology, Palaeoecology  vol: 310  issue: 3-4  first page: 296  year: 2011  
doi: 10.1016/j.palaeo.2011.07.022

9. Potential ecological and socio-economic effects of a novel megaherbivore introduction: the hippopotamus in Colombia
Amanda L. Subalusky, Elizabeth P. Anderson, Germán Jiménez, David M. Post, David Echeverri Lopez, Sebastián García-R., Laura J. Nova León, Juan F. Reátiga Parrish, Ana Rojas, Sergio Solari, Luz F. Jiménez-Segura
Oryx  vol: 55  issue: 1  first page: 105  year: 2021  
doi: 10.1017/S0030605318001588

10. Is Hippopotamus antiquus (Mammalia, Hippopotamidae) affected by body size variations? The contribution of the Mosbach (Germany, Middle Pleistocene) specimen
Roberta Martino, María Ríos, Lorenzo Rook, Luca Pandolfi
PalZ  vol: 99  issue: 3  first page: 385  year: 2025  
doi: 10.1007/s12542-025-00728-x

11. The first use of a photogrammetry drone to estimate population abundance and predict age structure of threatened Sumatran elephants
Dede Aulia Rahman, Riki Herliansyah, Beginer Subhan, Donal Hutasoit, Muhammad Ali Imron, Didik Bangkit Kurniawan, Teguh Sriyanto, Raden Danang Wijayanto, Muhammad Hilal Fikriansyah, Ahmad Faisal Siregar, Nyoto Santoso
Scientific Reports  vol: 13  issue: 1  year: 2023  
doi: 10.1038/s41598-023-48635-y

12. Population responses to natural and human‐mediated disturbances: assessing the vulnerability of the common hippopotamus (Hippopotamus amphibius)
Rebecca Lewison
African Journal of Ecology  vol: 45  issue: 3  first page: 407  year: 2007  
doi: 10.1111/j.1365-2028.2006.00747.x

13. The age of puberty of the hippopotamus (Hippopotamus amphibius Linn.) in the Luangwa River in eastern Zambia
J. A. SAYER, W A. M. RAKHA
African Journal of Ecology  vol: 12  issue: 3  first page: 227  year: 1974  
doi: 10.1111/j.1365-2028.1974.tb00115.x

14. The direct and indirect effects of damming on the Hippopotamus amphibius population abundance and distribution at Bui National Park, Ghana
Godfred Bempah, Martin Kobby Grant, Changhu Lu, Amaël Borzée
Nature Conservation  vol: 50  first page: 175  year: 2022  
doi: 10.3897/natureconservation.50.87411

15. Habitat utilization by hippopotamus in the Mara River*
R. C. D. OLIVIER, W. A. LAURIE
African Journal of Ecology  vol: 12  issue: 4  first page: 249  year: 1974  
doi: 10.1111/j.1365-2028.1974.tb01036.x

16. The food habits of wild ungulates in Uganda by analyses of stomach contents
C. R. FIELD
African Journal of Ecology  vol: 10  issue: 1  first page: 17  year: 1972  
doi: 10.1111/j.1365-2028.1972.tb00856.x

17. Hippopotamus population trends in Ndumo Game Reserve, South Africa, from 1951 to 2021
Camille J. Fritsch, Cathariné Hanekom, Colleen T. Downs
Global Ecology and Conservation  vol: 32  first page: e01910  year: 2021  
doi: 10.1016/j.gecco.2021.e01910

18. Observations on the reproductive physiological status of mature herd bulls, bachelor bulls, and young bulls in the hippopotamus Hippopotamus amphibius amphibius linnaeus
J.D. Skinner, J.A. Scorer, R.P. Millar
General and Comparative Endocrinology  vol: 26  issue: 1  first page: 92  year: 1975  
doi: 10.1016/0016-6480(75)90218-X

19. Hippopotamus and livestock grazing: influences on riparian vegetation and facilitation of other herbivores in the Mara Region of Kenya
Erustus M. Kanga, Joseph O. Ogutu, Hans-Peter Piepho, Han Olff
Landscape and Ecological Engineering  vol: 9  issue: 1  first page: 47  year: 2013  
doi: 10.1007/s11355-011-0175-y

20. Population Size, Sex-Ratio and Age Structure of Hippopotamus amphibius in Nimule National Park, South Sudan
Gift Simon Demaya, Malik Doka Morjan, Thomas Francis Lado, Shazali Abdallah Gordon, Massimiliano Di Vittorio, Daniele Dendi, Julia E. Fa, Luca Luiselli
Journal of East African Natural History  vol: 113  issue: 6  year: 2024  
doi: 10.2982/028.113.0601

21. Hippopotamus habitat relationships on the Lundi River, Gonarezhou National Park, Zimbabwe
T. G. O'CONNOR, B. M. CAMPBELL
African Journal of Ecology  vol: 24  issue: 1  first page: 7  year: 1986  
doi: 10.1111/j.1365-2028.1986.tb00336.x

22. Grasping at straws: a re‐evaluation of sweepstakes colonisation of islands by mammals
Paul P.A. Mazza, Antonella Buccianti, Andrea Savorelli
Biological Reviews  vol: 94  issue: 4  first page: 1364  year: 2019  
doi: 10.1111/brv.12506

23. Are hippos Africa's most influential megaherbivore? A review of ecosystem engineering by the semi‐aquatic common hippopotamus
Michael D. Voysey, P. J. Nico de Bruyn, Andrew B. Davies
Biological Reviews  vol: 98  issue: 5  first page: 1509  year: 2023  
doi: 10.1111/brv.12960