Three Himalayan predators coexist by partitioning prey, reducing direct competition

Krystal Kasal

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Snow leopards, leopards, and Himalayan wolves all share similar stomping grounds in Nepal's Lapchi Valley in the Himalayas. A recent study, published in PLOS One, has taken a closer look at how these apex predators have found a way to coexist, despite limited resources.

Interspecies dynamics in increasingly shared habitats

Snow leopards, leopards, and Himalayan wolves get squeezed into increasingly smaller or shared habitats due to climate change and human activities, which has some researchers raising questions about how they coexist without outcompeting each other.

Although there are only an estimated 397 snow leopards left in Nepal, this region represents a significant population of the species. Himalayan wolves occupy habitats that overlap with snow leopards in the high and mid elevation regions. Meanwhile, leopards have expanded into the high-elevation habitats occupied by snow leopards, as well. Currently, there is limited empirical evidence on how these large carnivores partition resources and avoid direct competition in the Central Himalaya, although understanding these dynamics is crucial for their conservation.

"The Lapchi Valley in Gaurishankar Conservation Area, Nepal has emerged as a critical site for investigating these
dynamics. Initial surveys documented only snow leopards, but recent evidence confirms leopards' increasing spatiotemporal overlaps and Himalayan wolf colonization. This convergence offers a rare opportunity to investigate how spatial use, activity patterns, and dietary strategies interact to facilitate coexistence under conditions of environmental and anthropogenic change," say the researchers.

Overlaps in space and time

To better understand the dynamics between these predators, the researchers used camera traps in several areas in Nepal's Lapchi Valley between 2018 and 2025. They also conducted scat-based DNA and diet analysis to determine the differences in the predators' diets.

Camera traps monitored spatial and temporal activity, and showed that all snow leopards, leopards, and Himalayan wolves all coexisted in much of the same areas and during the same times, especially at night. Spatial overlap between show leopards and Himalayan wolves was 100%, with all wolf detections falling within the snow leopard detection region.

Spatial overlap between snow leopards and leopards, on the other hand, was 8.49 km², corresponding to around 50%. Spatial overlap between the Himalayan wolf and leopard regions was 7.54 km², representing 67% of the wolf regions and around 13% of the leopard regions. However, the authors note that these estimates are based on detections from camera traps and may not represent actual continuous habitat use.

The study authors also say the three predators were also active at similar times. "Analysis of temporal activity patterns indicated that all three species exhibited predominantly nocturnal behavior. The snow leopard demonstrated peak activity at night, accounting for 59.42% of recorded events, followed by crepuscular (21.73%) and diurnal (18.84%) periods. Similarly, Himalayan wolves showed strong nocturnal tendencies, with 71.42% of the activities occurring at night, 15.87% during the day and 12.69% during twilight. Leopards also displayed nocturnal dominance (64.40%), followed by diurnal (18.64%) and crepuscular (16.94%) activity."

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Reducing competition through meal selection

The biggest differences between the three predators appeared to be their meal choices. Snow leopards generally preferred wild prey, with blue sheep consisting of around 47% of their prey and musk deer around 16%. Leopards relied on domestic species, like sheep, horses and dogs, for about 40% of their diet, although wild boar made up the largest portion of the leopards' diet at about 36%. Himalayan wolves, on the other hand, had a more mixed diet, with wild prey accounting for a substantial part, such as Himalayan marmot (32%), blue sheep (29%) and musk deer (10%). However, about 26% of their diet consisted of livestock.

The researchers believe that, although there was some overlap in the diets of snow leopards, leopards and Himalayan wolves, the differences enable their coexistence in a limited landscape. The researchers note that conservation efforts should be made to protect the wild prey of these predators to reduce livestock losses and manage human–wildlife conflict, since loss of livestock sometimes results in retaliation.

"Overall, the Lapchi Valley illustrates both the resilience and fragility of apex predator coexistence, emphasizing the need for long-term monitoring and adaptive management integrating ecological science with sociocultural practices," the study authors write.

Written for you by our author Krystal Kasal, edited by Gaby Clark, and fact-checked and reviewed by Robert Egan—this article is the result of careful human work. We rely on readers like you to keep independent science journalism alive. If this reporting matters to you, please consider a donation (especially monthly). You'll get an ad-free account as a thank-you.

Publication details

Narayan Prasad Koju et al, Niche partitioning facilitates coexistence of three apex predators in the Lapchi Valley, Central Himalaya, Nepal, PLOS One (2026). DOI: 10.1371/journal.pone.0344947

Journal information: PLoS ONE

Key concepts

animal behavioraquacultureendangered specieswildlifeanimal trackingecological competitionhabitat fragmentationwildlife biologylong-term ecological monitoringartiodactylspigs

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