I spent a week on Bioko Island in January 2023.
The Caldera (Reserva Científica de la Caldera de San Carlos)
Four nights in Moraka Camp inside the reserve produced Drill, Pennant’s Red Colobus, Red-eared and Crowned Monkeys, Ogilby’s Duiker and four species of squirrel: African Giant, Red-legged Sun Squirrel, Green Squirrel and Red-cheeked Rope Squirrel.
After dark we saw Lord Derby’s and Beecroft’s Anomaures, Western Tree Hyraxes, Forest Giant Pouched Rat, Allen’s Hylomyscus and Cameroon Soft-furred Mouse.
There were at least two fruit bat camps in the city in 2023.
2 nights in 2023 in the mountain village of Moraka produced Angolan Fruit Bats, several Northern Needle-clawed Galagos and a Red-legged Sun Squirrel.
Pico Basilé National Park
During my first morning here in 2023 – walking a trail – I saw nothing. Returning to walk along the road produced several Preuss’s Guenons, a Bioko Hybomys and a Bioko Forest Shrew.
Bioko Island, 2023: Jon Hall, 8 days & 23 species including Pennant’s Red Colobus, Preuss’s Monkey, Drill and Bioko Hybomys.
Bioko Island, 2019: Justin Brown, 9 days & 11 species including Drill, Red-eared Monkey, Black Colobus, Bioko Allen’s Galago and Brush-tailed Porcupine.
Bioko Island, 2017: Curtis Hart, two prolonged visits with species including Drill, Cameroon Scaly-tail, Black Colobus, African Lingsang and Tree Pangolin.
Bioko Island, 2014-15: Curtis Hart’s notes of a 5 month stay on the island. Many exciting mammals including Drill, Black Colobus, Target Rat, Tree Pangolin, Cameroon Scaly-tail and African Linsang! (This report has been updated above).
Bioko Island: 96-2000: Bob Berghaier’s report of mammals seen during 4 research trips to this interesting area between 1996 and 2000. He recorded 26 species including Drill, Ogilby’s Duiker and 4 species of Guenon’s. He also provided some notes on the natural history of the island and travel advice.
Please email me if you have tips for mammal watching in this area.
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