Related Experiment Video
Updated: Jan 10, 2026
09:47
Spotting Cheetahs: Identifying Individuals by Their Footprints
Published on: May 1, 2016
15.3K
Niche partitioning among neotropical felids
Ellen M Dymit1, Joshua P Twining1, Rony Garcia-Anleu2
1Department of Fisheries, Wildlife, and Conservation Sciences, Oregon State University, Corvallis, Oregon, USA.
The Journal of Animal Ecology
|November 24, 2025
Summary
Sympatric felids in Guatemala coexist by specializing on arboreal or terrestrial prey, not by body size. Temporal activity shifts also reduce competition among these large and medium-bodied carnivores.
Area of Science:
- Community ecology
- Carnivore ecology
- Neotropical biodiversity
Background:
- Sympatric, related, obligate carnivores with similar body sizes challenge ecological coexistence principles.
- Neotropical felids like jaguars, pumas, ocelots, and margays present a case study for understanding niche partitioning.
Purpose of the Study:
- To investigate spatial, temporal, and dietary niche partitioning among sympatric jaguars, pumas, ocelots, and margays.
- To identify the primary mechanisms facilitating coexistence in these Neotropical felid species.
Main Methods:
- Integrated fecal DNA metabarcoding, camera trapping (ground and arboreal), and abundance-mediated interaction models.
- Quantified multi-dimensional niche partitioning across four sympatric felid species in the Maya Biosphere Reserve, Guatemala.
Main Results:
- Vertical dietary partitioning (arboreal vs. terrestrial prey) was the dominant niche differentiation axis, overriding body size.
- Little evidence for spatial segregation was found; however, temporal activity patterns reduced overlap between large and medium-bodied felids.
- Jaguars specialized on terrestrial prey, while pumas and margays showed a greater selection for arboreal prey.
Conclusions:
- Arboreal-terrestrial prey selection is a key mechanism for coexistence among size-based felid pairs in Neotropical forests.
- Vertical niche dynamics play a crucial role in facilitating species coexistence.
- Future research should incorporate high-resolution diet analysis, canopy camera trapping, and arboreality assessments to understand tropical carnivore ecology.
Keywords:
DNA metabarcodingcamera trappingcommunity ecologyfood websneotropical felidsniche partitioningspecies interaction modelstropical carnivoresMore Related Videos
Related Concept Videos
02:02Ecological Niches
25.9K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
25.9K
02:31Habitat Fragmentation
20.9K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
20.9K
02:40Epiphytes, Parasites, and Carnivores
16.5K
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the...
16.5K
02:04Conservation of Small Populations
16.6K
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens the chances of survival under pressures such as climate change, competition from other species, or new diseases. Large populations are more likely to survive pressures such as these, as such populations are more likely to harbor individuals that have genetic variants that are adaptive under new stresses. Small populations are much less...
16.6K
01:31Taxonomy
84.2K
Taxonomy is the science of defining and naming groups of biological organisms based on shared characteristics. It uses a hierarchy of increasingly inclusive categories with Latin names. The smallest units of taxonomy, species and genus, are used to assign a formal, taxonomic name to each species in a system. This classification system, referred to as binomial nomenclature, was formalized by Carolus Linnaeus in the 18th century.
Hierarchy of Taxonomy
The hierarchy that Carolus Linnaeus first...
Hierarchy of Taxonomy
The hierarchy that Carolus Linnaeus first...
84.2K
02:29Hybrid Zones
21.7K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
21.7K