Ethiopia’s Gelada monkeys (Theropithecus gelada) is a species of old-world monkey and is the world’s most terrestrial primate besides humans. They spend around 99% of their lives on the ground since they are poor tree climbers. Both sexes have large, well-groomed, long, hairy manes and a distinctive hourglass-shaped red bald patch on their chests, giving them the name ‘bleeding heart’ monkeys. The red heart on their chests is more pronounced in males. Both males and females have thick brown fur […]