Gaymer, J.

t Sas Rolfes, M.; Rademeyer, J.; Vigne, L.; Emslie, R.H.; Knight, M.; Gaymer, J.; Talukdar, B.K. 2025. The impact of poaching on rhino conservation. [chapter 15]. In: Melletti, M.; Talukdar, B.; Balfour, D. 2025. Rhinos of the world: ecology, conservation and management. Berlin, Springer. pp. 367-392. doi.org/10.1007/978-3-031-67169-2_15

Balfour, D.; Ferreira, S.M.; Gaymer, J.; Lewis, C.; Mafumo, H.; Makoma, K.; Mgoola, W.; Reuben, M.; Shaw, J.; Uri-Khob, S. 2025. African rhino conservation 2025–2035: A contemporary strategic framework. Gland, IUCN. pp. 1-56. portals.iucn.org/library/sites/library/files/documents/2025-004-En.pdf

Khayale, C.; Kariuki, L.; Kanga, E.; Omondi, P.; Brett, R.; Oloo, T.; Mulama, M.; Okita-Ouma, B.; Gaymer, J.; Amin, R. 2025. Advancing black rhino conservation in Kenya: milestones and the strategic outlook for sustaining population recovery. Pachyderm 66: 101-110.

Gaymer, J. 2024. Kenya: Partnerships and progress: working together to make room for rhinos. The Horn (Save the Rhino International) 2024: 12-13.

Kamau, M.W.; Brown, J.L.; Boisseau, N.; Gaymer, J.; Hassell, J.; Martins, D.J.; Murray, S. 2023. Non-invasive assessment of ovarian activity in free-ranging eastern Black rhinoceros (Diceros bicornis michaeli) in Kenya. Conservation Physiology 11 (1) April 17: 1-10 https://. doi.org/10.1093/conphys/coad010

Gaymer, J. 2023. Kenya: Laikipia rhino-range expansion. The Horn (Save the Rhino International) 2023: 10-11.

Kamau, M.W.; Brown, J.L.; Boisseau, N.; Gaymer, J.; Hassell, J.; Martin, D.J.; Murray, S. 2023. Non-invasive assessment of ovarian activity in free-ranging eastern black rhinoceros (Dceros bicornis michaeli) in KenyaNon-invasive assessment of ovarian activity in free-ranging eastern black rhinoceros (Dceros bicornis michaeli) in Kenya. Proceedings of 1st Wildlife Scientific Conference (Naivasha, Kenya). p. 66.

Gaymer, J. 2022. Kenya: looking into a rhino’s eyes. The Horn (Save the Rhino International) 2022: 13.

Harvey Sky, N.; Jackson. J.; Chege, G.; Gaymer, J.; Kimiti, D.; Mutisya, S. 2022. Female reproductive skew exacerbates the extinction risk in the eastern Black rhino. Proceedings Royal Society B 289 20220075: 1-9, 3 figures, 2 tables, with supplemental material. doi.org/10.1098/rspb.2022.0075

Gaymer, J. 2021. Kenya: Water, the essence of life on Ol Jogi. The Horn (Save the Rhino International) 2021: 10.

Gaymer, J. 2021. Kenya: zero rhino poaching. The Horn (Save the Rhino International) 2021: 9.

Khayale, C.; Omondi, P.; Kariuki, L.; Muruthi, P.; Stejskal, J.; Mulama, M.; Okita-Ouma, B.; Gaymer, J.; Chege, G.; Amin, R. 2021. Kenya’s first White Rhino Conservation and Management Action Plan. Pachyderm 62: 112-118.

Gaymer, J. 2020. Kenya: veterinary care for Kenya's black rhinos. The Horn (Save the Rhino International) 2020: 25.

Gaymer, J. 2020. Kenya: working together for black rhinos. The Horn (Save the Rhino International) 2020: 23.

Gaymer, J. 2019. Planning for more rhinos in Kenya. The Horn (Save the Rhino International) 2019: 25.

Gaymer, J. 2018. Kenya: Using equipment effectively to combat poaching. The Horn (Save the Rhino International) 2018: 12.

Gaymer, J. 2016. Kenya: the role of the new APLRS administrator. The Horn (Save the Rhino International) Autumn 2016: 38.

Gaymer, J. 2016. Kenya: helping a blind calf to see & other success stories. The Horn (Save the Rhino International) Autumn 2016: 34.

Gaymer, J. 2015. Preparing for the future of Kenya's rhinos. The Horn (Save the Rhino International) Autumn 2015: 10-11.

Gaymer, J. 2014. Kenya: Innovative thought to protect rhinos. The Horn Spring 2014: 23.

Gaymer, J. 2014. Kenya: Who owns Kenya's rhinos – Held to ransom on Ol Jogi. The Horn Autumn 2014: 21.

Gaymer, J. 2013. Kenya (Ol Jogi): a rhino’s best friend is a dog. The Horn Autumn 2013: 4.

Ndeereh, D.; Okita-Ouma, B.; Gaymer, J.; Mutinda, M.N.; Gakuya, F. 2012. Unusual mortalities of Eastern Black Rhinoceros (Diceros bicornis michaeli) due to Clostridial Enterotoxaemia in Ol Jogi Pyramid Sanctuary, Kenya. Pachyderm 51: 45-51.