Red butt monkeys take over New Delhi city

From the archive record

Macaques have red butts to attract the opposite sex. Generally, females have larger, brighter red bums to attract males. Also, they don’t have them all of the time. In female macaques its easy to find whether they are fertile – a big red bum means they can get pregnant and if they don't have a big swollen bum, then they can’t! The rhesus macaque (Macaca mulatta), also called the rhesus monkey, is one of the best-known species of Old World monkeys. It is listed as Least Concern in the IUCN Red List of Threatened Species in view of its wide distribution, presumed large population, and its tolerance of a broad range of habitats. Native to South, Central and Southeast Asia, troops of Macaca mulatta inhabit a great variety of habitats from grasslands to arid and forested areas, but also close t