IUCN conservation assessment category
Primary ecological niche & biome
Dietary type and primary food source
Diurnal, nocturnal, or active patterns
GBIF Taxonomic Backbone & Wikipedia Registry Profile
Ecologically, the conservation status of Marsh Deer is officially designated as Vulnerable. Current field registries estimate a global population composed of an unquantified number of individuals, making habitat preservation critical to maintaining their wild populations.
It is typically endemic to forest, wetland, showing great physiological synergy with its surroundings. In terms of dietary preferences, it relies primarily on a diet of seeds, plant shoots, grasses, and wild berries. It exhibits specialized adaptations centered around a crepuscular activity pattern, optimizing its energy conservation and interactions within its native ecosystem. The species has a typical natural lifespan of approximately 15 years, allowing it to adapt and mature through structured generational cycles.
Ongoing biological monitoring and ecological advocacy emphasize the importance of protecting this species. The stability of its food chain and the prevention of fragmentation in its primary range are vital for the continued survival of Marsh Deer.
| Native Range | Argentina, Paraguay, Brazil, Peru |
| Habitat Range | Forest, Wetland |
| Lifespan | 15 Yrs |
| Status | Vulnerable |
| Scientific | Blastocerus dichotomus |
| Lifespan | 15 years |
| Kingdom | Animalia |
| Family | Cervidae |
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044 Marsh deer in Encontro das Águas State Park Photo by Giles Laurent

001 Marsh deer and Pink Ipê tree in Encontro das Águas State Park Photo by Giles Laurent

Marsh deer skeleton at MAV USP

Blastocerus dichotomus in Jardim Zoológico de Curitiba

077 Female Marsh deer in Encontro das Águas State Park Photo by Giles Laurent