Publications
Prey Composition of Harpy Eagles (Harpia harpyja) in Raleighvallen, Suriname
A new study reveals that Harpy Eagles (Harpia harpyja), the largest eagles on Earth, have a diverse diet in primary forests of the Central Suriname Nature Reserve, including nine previously unrecorded prey species. These apex predators, known for their ecological significance, frequently target game animals such as large primates and birds alongside sloths, which were traditionally considered their staple prey. The research, combining field observations with a review of existing literature, identifies 102 prey species in total, providing critical insights into the autecology of Harpy Eagles in Neotropical forests. This information underscores the ecological role of apex predators and highlights the importance of preserving primary forest habitats to sustain their populations.
Gaps and opportunities for the World Heritage Convention to contribute to global wilderness conservation
Only about 1.8% of the world's wilderness is protected under UNESCO World Heritage Sites (WHS), with notable exceptions like the Okavango Delta and Central Suriname Nature Reserve. A global analysis identified significant gaps in wilderness representation across 22 terrestrial biorealms, despite WHS containing some excellent examples. The study used a 'last-of-the-wild' method to map remaining wilderness areas and assessed their coverage under existing protected designations. It also pinpointed 840 large protected areas—predominantly wilderness—that could serve as candidates for future WHS designation, addressing critical biodiversity gaps. The research underscores the urgent need for the World Heritage Convention to prioritize ecological integrity in preserving these irreplaceable landscapes.
A new species of suckermouth armored catfish, Pseudancistrus kwinti (Siluriformes: Loricariidae) from the Coppename River drainage, Central Suriname Nature Reserve, Suriname
Researchers have discovered a new species of suckermouth armored catfish, Pseudancistrus kwinti, in the Coppename River drainage within Suriname's Central Suriname Nature Reserve (CSNR). This unique species is distinguished by several key traits: the absence of dentary papillae, a complete mid-dorsal plate row, mottled or barred coloration, hypertrophied odontodes along the snout edge, and weakly evertible cheek plates. The discovery highlights the rich biodiversity of the CSNR, a UNESCO World Heritage Site renowned for its pristine environment. However, the region faces growing threats from mining, increased fishing pressure, and tourism, which could significantly alter this delicate ecosystem.
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