The road to Machu Picchu, which morphs into a railway for its most spectacular sector, begins in the Valle Sagrado, or Sacred ...

The monkeys' "ultra-yodels" had frequency leaps that were five times larger than human frequency changes, often exceeding ...

Peruvian Nobel literature laureate and Latin American literary giant Mario Vargas Llosa has died in Lima at the age of 89.

Peruvian spider monkey (Ateles chamek). Credit: Dr. Jacob Dunn, Anglia Ruskin University Black-capped squirrel monkey (Saimiri boliviensis). Credit: Dr. Jacob Dunn, Anglia Ruskin University Lead ...

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These included the black and gold howler monkey, black-capped squirrel monkey and Peruvian spider monkey. A Peruvian spider monkey. (Dr Jacob Dunn/ Anglia Ruskin University/ PA) New World monkeys, ...

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These included the black and gold howler monkey, black-capped squirrel monkey and Peruvian spider monkey. New World monkeys, whose range stretches from Mexico to Argentina, were found to have ...

Seven environmental activists from around the world will be awarded the Goldman Environmental Prize on April 21. Known as the ...

black-capped squirrel monkey, and Peruvian spider monkey. Monkeys, scientists found, had a secret yodelling weapon; the primates possess special anatomical structures in their throats called vocal ...

Latin American species of howler monkey, capuchin squirrel monkey and Peruvian spider monkey have the largest membranes of all primates. They switch from using their vocal cords to the membrane to ...