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The Route

Loaded up on vehicles full of research equipment and supplies, a full team of scientists returned to discover more accessible routes to the sources of the Cuando and Kembo Rivers in eastern Angola, which a smaller team had explored on mountain bikes a few months earlier.

These rivers begin their flow out of marshy lakes tucked inside a seemingly endless woodland. The oak-like miombo trees form an open canopy that lets in a lot of light, but also provides shade unavailable in the grasslands. Plants and animals that would struggle in the light and heat thrive in the cooler microclimate under the trees’ branches. Water evaporates more slowly here as well, helping the woodland retain moisture that helps feed the lakes, rivers, and, ultimately, the Okavango Delta itself.

Local communities burn the wood for personal use and commercial trade as charcoal. Like many forms of natural resource extraction including hunting, this is an ancient practice that is now being pushed to unsustainable levels. Charcoal burning of the woodlands and bushmeat hunting are two of the greatest threats to the preservation of the natural balance in the Angolan highlands.

Map of Okavango Wilderness Project expedition, October-November, 2016

Map by Martin Gamache, Art of the Mappable

The Mission

With an expanded team of experts in birds, reptiles, fish, insects, plants, and more, this expedition set out to complete the first biological survey of the Cuando and Kembo sources during the Southern Hemisphere’s spring season. With rain refreshing the landscape, different plants grow and blossom, different insects emerge, and different predators move in to feast on the abundance.

Once again using various nets and traps, the team caught animals in the water, on land, and in the air; identified them; and sampled them for further DNA barcoding and analysis back in labs. The team also conducted interviews with people in the nearby villages, who provided information about their socioeconomic situation—information critical to understanding and relieving the pressures on wildlife in the region.

Picture of ichthyologist Paul Skelton with fish net, Source Lakes Science expedition, 2016

Photograph by Kostadin Luchansky/Angola Image Bank

The Highlights

To everyone’s delight, camera traps set during the earlier fatbike expedition revealed a wide array of animals that shy away from humans and are only rarely spotted in person during an expedition. Leopards, cheetahs, wild dogs, bushpigs, honey badgers, and hyenas, among many others, all made their presence known. The presence of these animals—in these areas where hunting pressures are high—shows that they have the ability to bounce back if given proper protection.

The team made several important contributions to science on this expedition. A significant benchmark was reached on this expedition when they identified the 400th bird species of the project. There were also many sightings that expanded the known ranges of certain birds and plants. In addition, the team identified 27 of the 104 known species of bats in Angola—they even snapped the world’s first photo of live Angolan long-eared bat.

Reptiles and amphibians also made a strong showing during the rainy season, including the strange, subterranean spade-snouted worm lizard and a potentially newly discovered species of rain frog. And this spider, with a prominent horn that holds its stomach muscles and helps it suck in food more powerfully, was described by scientists as the “find of a lifetime.”

Picture of Steve Boyes with boat carrying solar panels

#Cuando16 on Instagram  

With a camera in every pocket and solar cells for recharging, the team shared their animal sightings, stunning sunsets, and thoughts and reflections in real time throughout the expedition. See it all in their Instagram feed.

Other Expeditions

Photographs by Kostadin Luchansky/Angola Image Bank (Bird); GÖTZ NEEF (solar panel/boat).