India, May 1 -- Colobine species are leaf-eaters, compared to the omnivore cercopithecines; Africa has 17 red colobus, from Senegal to Zanzibar

The Red colobus, a rare group of imperilled monkeys spread across Africa, are primary indicators of biodiversity decline in the continent's tropical forests. Conserving them could hold the keys to protecting these forests, a new study by an international team of scientists stated on April 30, 2024.

Declining populations of red colobus "forewarn the fate of other large-bodied terrestrial vertebrates across African tropical forests and portend a bleak future for Africa's biodiversity if a business-as-usual approach is followed," a statement by New York-based Wildlife Conservation Society, which is...