Hyenas Adapt to Shifting Prey Patterns in Serengeti
A thirty-year study finds Serengeti hyena clans remain stable despite significant drops in local migratory prey presence.
Updated on Oct. 21, 2026 in Environmental
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Scientists tracking Serengeti spotted hyenas from 1990 to 2026 found that clans adapted to reduced local prey by commuting up to 150 kilometers. Despite migratory herds being present in territories only 7 percent of the year by 2019, hyena populations remained steady.
Why it matters
The findings suggest that spotted hyenas possess high behavioral flexibility, allowing them to maintain stable populations even as climate-driven rainfall and human activity alter herbivore movement. This ability to compensate through long-distance foraging is critical for understanding predator resilience in changing ecosystems.
Researchers analyzed a multi-generational dataset covering thousands of individually known hyenas over 30 years. These foraging trips can last up to one week and span distances of 150 kilometers to follow migratory herbivores.
The details
Hyenas compensate for the decreased availability of local migratory herds by conducting extended foraging trips between their home territories and regions where prey is concentrated. This behavioral adjustment appears to be a key strategy for clan stability, as evidenced by the fact that two of the three study clans actually increased in size during the observation period.
Timeline
1990-1994: Migratory herds were present within clan territories for 12 percent of the year.
2015-2019: Migratory herds were present within clan territories for 7 percent of the year.
1990-2026: The duration of the longitudinal study period on hyena clan stability.
The Big Picture
This research updates the understanding of predator behavioral flexibility established by the long-term study of Serengeti hyena clans. It demonstrates how species shift foraging strategies to overcome habitat disruptions and sustain population stability.
Understanding how apex predators survive environmental changes informs conservation strategies for managing protected areas like the Serengeti. These insights help scientists predict how other wildlife populations might react to shifts in prey distribution caused by climate or infrastructure.
The takeaway
Spotted hyenas demonstrate that large predators can exhibit surprising resilience through flexible foraging habits when their traditional environment changes. This study highlights the importance of protecting large, interconnected landscapes that allow wildlife the mobility needed to survive.
Further reading
For more research on ecosystem shifts, explore our Environmental section.
More information
Read the full Original research publication on Ecosphere for more technical analysis.
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Do you believe wildlife populations have the resilience to adapt to shifting environments and human activity?
