Tulani Ngwenya
WINDHOEK, Namibia – Calling all frog enthusiasts! Researchers have unearthed a giant leap forward in amphibian discovery: a new species of bullfrog in Namibia, marking the biggest global frog find in over a century.
The story starts in 2010, when Marleen Le Roux (now Byron), a student working for Wilderness in the Okavango Delta, spots a peculiar bullfrog. She brings it to renowned amphibian expert Professor Louis du Preez because she was intrigued by its distinct features. Their initial hunch, confirmed by molecular analysis, is thrilling – this is a new species.
Fast forward to 2021, and a chance arises for Professor du Preez to conduct a comprehensive frog and reptile survey in Namibia’s Khaudum-Nyae Nyae ecosystem, funded by the Kwando Carnivore Project. This collaboration led them to rediscover the elusive bullfrog, solidifying its existence as a distinct species.
The newly discovered giant has been named Beytell’s bullfrog (Pyxicephalus beytelli) in honour of the late Ben Beytell, a prominent Namibian conservationist. Beytell, who dedicated 35 years to wildlife preservation, played a pivotal role in establishing Khaudum National Park, the new bullfrog’s habitat.
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This discovery holds significant evolutionary weight, expanding our understanding of amphibian diversity in Southern Africa. Professor du Preez, author of several field guides and an app dedicated to Southern African frogs, emphasises the importance of ongoing research and collaboration in uncovering hidden wonders.
The story extends beyond scientific discovery. Wilderness guides, ever curious about the amphibian world encountered on mokoro trips, played a part in this exciting find. Their observations and experiences, such as a guide seeing a larger reed frog eat a smaller green one, demonstrate the important knowledge that local communities possess. Professor du Preez even credits Wilderness’ guide, Ona, for his exceptional knowledge of the bush.
This remarkable discovery not only expands scientific knowledge but also underscores the importance of responsible tourism and the dedication of conservationists like Ben Beytell. The new Beytell’s bullfrog serves as a powerful reminder of the hidden wonders waiting to be revealed in the natural world.
