The grunts, moans and wobbles of gelada monkeys, a chatty species residing in Ethiopia’s northern highlands, observe a universal mathematical principle seen until now only in human language. The new ...

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I have been a little tied up with other writing duties today, so in lieu of a "normal" post here is another snapshot from my trip to the Bronx Zoo last weekend. It is of a young male gelada baboon ...

Enrichment devices are important tools to engage zoo-housed animals in species-specific natural behaviours, which is critical to ensure animal welfare. The gelada Theropithecus gelada has a unique ...

With regal manes, hairless scarlet chest patches, and intimidating canines jutting from their mouths like scythes, it would be easy to think gelada monkeys were the rulers of their mountain domains.

It is of a young male gelada baboon (Theropithecus gelada) that came down to the moat to drink. He had just been involved in a major altercation. The entire troop went running after another young male ...