Brief synthesisAncient Maya City and Protected Tropical Forests of Calakmul, Campeche, Mexico is a Renomination and Extension of the existing 3,000 ha cultural World Heritage property, Ancient Maya City of Calakmul, Campeche. These humid and sub-humid tropical forests develop in a geological province under seasonal dry conditions, and karst soils. For such factors, Calakmul Tropical Forests could be considered as one of the most resilient ecosystems in the continent and these features could be relevant for biodiversity conservation in a climate change context. The Ancient Maya City and Protected Tropical Forests of Calakmul, Campeche, hosts rich biodiversity, that were very appreciated by the Mayans and represented in their paintings, pottery, sculptures, rituals, food and arts in general. These processes resulted in a complex mosaic of tropical forests communities which allows complex ecological and trophic networks.