Critically endangered Northern Muriqui (woolly spider monkey) (Brachyteles hypoxanthus) in Brazil's Atlantic coastal rainforest, Minas Gerais, Brazil, South America

Northern muriqui (Brachyteles hypoxanthus), the largest monkey of the Americas and critically endangered, Feliciano Abdalla Private Reserve, Caratinga, Minas Gerais, Brazil, South America

Northern muriqui (Brachyteles hypoxanthus), the largest monkey of the Americas and critically endangered, Feliciano Abdalla Private Reserve, Caratinga, Minas Gerais, Brazil, South America

Northern muriqui (Brachyteles hypoxanthus), the largest monkey of the Americas and critically endangered, Feliciano Abdalla Private Reserve, Caratinga, Minas Gerais, Brazil, South America

Northern muriqui (Brachyteles hypoxanthus), the largest monkey of the Americas and critically endangered, Feliciano Abdalla Private Reserve, Caratinga, Minas Gerais, Brazil, South America

Northern muriqui (Brachyteles hypoxanthus), the largest monkey of the Americas and critically endangered, Feliciano Abdalla Private Reserve, Caratinga, Minas Gerais, Brazil, South America

Portrait of Black-headed spider monkey hanging on a branch