The global warming is disrupting the social balance of the white-faced capuchins in Costa Rica, according to a recent international study. Researchers have documented how extreme weather events, driven by climate change, alter the internal dynamics of cooperation and competition in these primate communities.
The impact of global warming on white-faced capuchins
With more than three decades of data, the study reveals that phenomena like El Niño and La Niña modify access to crucial resources such as water and food. Prolonged droughts and intense rains have been shown to directly affect the behavior of these animals, increasing competition for territories.
Experts from institutions such as the Max Planck Institute, the University of Konstanz, and the University of California, Los Angeles, have followed twelve groups of capuchins in one of the last dry tropical forests in the country. Using direct observations and satellite data, they have evidenced how these communities face increasing ecological stress.
During dry seasons, the availability of water and food is restricted to areas near watercourses, forcing groups to live closer together. This proximity increases conflicts over scarce resources, with larger groups monopolizing the most fertile areas.
The study highlights that although community life offers evolutionary advantages, such as territory defense, it also intensifies internal competition, especially in times of environmental stress. Capuchins in large groups are forced to consume food more slowly due to competitive pressure.
Climatic alterations also impact social behavior. Food insecurity and habitat degradation foster more aggressive attitudes and disintegrate established social relationships, increasing the vulnerability of primates to external threats.
If current trends continue, the increase in the frequency of extreme weather events could trigger social fragmentation and population reorganization in this species so dependent on group cooperation.
Finally, scientists warn that these changes in capuchin behavior could be replicated in other species that rely on strong social bonds. Habitat protection and climate change mitigation are crucial to preserving biodiversity and ecosystem balance.
