Breaking into a cashew nut can be difficult; but not if you're a monkey. Primates in Brazil are well honed in using stones to break into the nuts and new research suggests they have been doing so for ...

There are now more golden lion tamarins bounding between branches in the Brazilian rainforest than at any time since efforts to save the species started in the 1970s, a new survey reveals. Once on the ...

Brown howler monkeys (Alouatta guariba), endemic to the Atlantic Forest in Brazil and Argentina, became one of the 25 most threatened primate species following a yellow fever outbreak in late 2016. In ...

The tiny, copper-hued golden lion tamarin is so beloved in Brazil that its image graces the country's 20-real bank note. But this lion-maned monkey is in peril. There's only one place on earth where ...

Deep within the coastal forests of southeastern Brazil lives one of the most striking primates in the world. The golden lion tamarin is instantly recognisable because of its brilliant reddish gold fur ...

Following a deadly yellow fever outbreak in 2016, brown howler monkeys are slowly making a recovery through targeted vaccination and reintroduction efforts in one of the world’s largest urban forests.

RIO DE JANEIRO — Dozens of young people kneeled under the scorching sun recently in Rio de Janeiro’s rural interior, planting a green corridor that will be a future safe passageway for the region’s ...

Indigenous groups and researchers are building literal bridges together to help monkeys and other wildlife cross Brazil's highways. Brazil has over 2 million kilometers of highways and a 2022 study ...