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The critically endangered Ecuadorian brown-headed Spider Monkey is one of the rarest primates in the world. The global population of the species is estimated at around 250 individuals. Found only in Ecuador’s Chocóan rainforests, these endangered primates are threatened by loss of their forest habitat, hunting and expanding oil palm pressures that threaten their very survival.
An estimated population of 150 Ecuadorian Brown-headed Spider Monkeys, one of the largest remaining populations, exists in the region of Tesoro Escondido in northwestern Ecuador. This site is a global priority for the species, as well as a region of exceptional biodiversity home to Great-green Macaws, Jaguars and many other species.
Rainforest Trust is working with Ecuadorian partner, the Cambugán Foundation to establish a core protected area of 1,729 acres in Tesoro Escondido through land purchase to protect vital habitat for the Ecuadorian Brown-headed Spider Monkey. Furthermore, an innovative and sustainable chocolate project will be established in the buffer zone of the new reserve allowing cacao producers to protect forests and gain fair trade prices from quality chocolate markets.
We would like to thank the Scott Rasmussen Family Trust and the University of Sussex for their donation to support the purchase of habitat that will protect the Critically Endangered Ecuadorian Brown-headed Spider Monkey.
Ecuadorian Brown-headed Spider Monkey (CR), Great-green Macaw (EN), Baudo Guan (EN), Banded Ground-cuckoo (EN), Long-wattled Umbrellabird (VU), Jaguar (NT)
Deforestation, hunting, oil palm plantations
Purchase 1,729 acres of primary forest to protect the Brown-headed Spider Monkey
Price per Acre
Tesoro Escondido encompasses one of the last remnants of the Chocó lowland rainforest in Ecuador, a hotspot for biodiversity possessing one of the highest concentrations of endemic and threatened species in the world.
The Ecuadorian Brown-headed Spider Monkey, a species endemic to this region, has been identified as one of the 25 most endangered primates in the world. The spider monkey plays a critical role in maintaining forest diversity as a key species in seed dispersal for numerous tree species. Tesoro Escondido is the global stronghold for the species. In addition to being a stronghold for the Ecuadorian Brown-headed Spider Monkey. Tesoro Escondido is home to one of the last populations of western Ecuadorian jaguars and 44% of mammal species recorded in Ecuador. Though further surveys are needed, a variety of endangered frogs and reptiles have also been discovered to inhabit this area. A variety of endangered or range restricted bird species are also found within Tesoro Escondido. Several globally threatened birds have been observed here including species such as the Great-green Macaw, Baudo Guan, Banded Ground-cuckoo and Long-wattled Umbrellabird (VU).
With the highest rates of deforestation in South America, Ecuador is facing a major challenge. Action is particularly urgent in areas with remnants of primary forests, such as those found in the province of Esmeraldas in Northwestern Ecuador.
These forests represent one of 25 global biodiversity hotspots identified for urgent conservation action by scientists due to the high number of species they contain and the level of threat they face. No more than 50 years ago these forests were considered to be in the best condition of all the Ecuadorian coastal forest habitats. The forest at Tesoro Escondido is a remnant of these primary forests. At present, the forests of Tesoro Escondido remain at risk due to rapid land development and increased demand for timber, agricultural products and oil palm. Urgent action is needed to protect this wildlife refuge and to search for economic alternatives for the local people that combine wildlife conservation and sustainable incomes.
Local people around Tesoro Escondido are principally farmers, focusing especially on cacao.
The buffer zone is currently protected in part through a sustainable chocolate project where world class chocolate is produced by farmers in the Tesoro Escondido community and then professionally processed to ensure top prices from quality chocolate producers. The farmers agree to avoid deforestation and engage in regeneration of native forest on their lands. This is monitored using drone technology by the University of Sussex. This innovative partnership is already helping reduce pressures on forests by linking higher prices directly to conservation and forest restoration goals for sustainable development.
Thanks to the generous support of our Board members and other supporters who cover all of our operating expenses, Rainforest Trust is able to allocate 100% of donations to conservation action. No board member receives financial benefit and our staff salaries are modest.
Rainforest Trust is a registered 501(c)(3) nonprofit organization.
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