Going toe-to-toe, these fighting primates could give Floyd Mayweather a run for his money. The amazing images – captured by Australian tourist Julie Rathbone on the banks of the Zambezi river in Africa – show the pair engaging in a few fisticuffs. The Chacma baboons appeared to settle a disagreement by fighting – before a senior baboon plays referee and steps in to break it up. Nurse unit manager Julie Rathbone, 59, from New South Wales, was on a cruise down the river when she spotted the fracas unfolding. (Photo by Julie Rathbone/Caters News)

A drone operated by paramilitary police flies over the site of last week's explosions at Binhai new district in Tianjin, China, August 17, 2015. Many operations have resumed at China's Tianjin port, trade sources said, after explosions last week that killed more than 100 people and disrupted business at what is an important oil, gas and bulk import harbor for Asia's biggest economy. The explosions on August 12 led to the disruption of all chemical and oil tanker discharges at the port, and imports of iron ore were also affected. (Photo by Kim Kyung-Hoon/Reuters)

A few revellers brave the cold and rain in Leeds, United Kingdom for the friday night out on December 30, 2022. Brits have kicked off their New Year’s Eve celebrations early with wild nights out up and down the country. (Photo by Nb press ltd)

Panda keepers hold cubs while posing for photos ahead of the new year at the Chengdu Research Base of Giant Panda Breeding in Chengdu, China's southwestern Sichuan province on December 29, 2022. (Photo by AFP Photo/China Stringer Network)

3-year-old Myla Mills plays with a two day old lamb in a toy pram in her family's farmyard in Arley, Worcestershire, United Kingdom on January 28, 2023. Early lambs are produced when the ram is free to tup the ewes over winter. (Photo by Peter Lopeman/Alamy Live News)

The tusk of a woolly mammoth that lived some 18,000 years ago, from which researchers sequenced the extinct mammal's entire genome, is seen in northeastern Siberia in this photo from 2015. (Photo by Love Dalen/Handout via Reuters)

The sunrises at 04.25am at St Mary's Lighthouse in Whitley Bay, on the North East coast of England on Tuesday, June 20, 2023, the day before Summer Solstice – the longest day of the year. (Photo by Owen Humphreys/PA Images via Getty Images)

A Hercules beetle, one of the largest species of its kind, in seen at the Monteverde Cloud Forest Biological Reserve, in Puntarenas, Costa Rica, on May 23, 2023. In the Monteverde cloud forest, dense fog among the lush vegetation is increasingly rare and temperatures are increasing each year due to climate change. (Photo by Ezequiel Becerra/AFP Photo)