CALAMIAN DEER
Rusa marianna
DESCRIPTION
Calamian Deer (Rusa marianna) is a medium-sized deer species native to the Calamian Islands in the Philippines. They have a slender build with a reddish-brown coat, which helps them blend into their forested habitats. These deer are primarily crepuscular, being most active during dawn and dusk, and they are known for their shy and elusive behavior.
FUN FACTS
- Calamian Deer are known for their unique adaptations to their island habitat, including their ability to thrive in both forested and open areas
- They play a crucial role in their ecosystem by helping to disperse seeds through their feeding habits, which contributes to forest regeneration.|These deer are also culturally significant to the local communities in the Calamian Islands, where they are often featured in folklore and traditional practices
- Their presence is a symbol of the rich biodiversity found in the Philippines
QUICK INFO
Lifespan10-15 years in the wild, up to 20 years in captivi
Average Weight50-90 kg
Average Length1.2-1.5 m
Diet TypeHerbivore
Social Structuresolitary or small groups, typically females with their offspring
Activity PatternCrepuscular
Breeding SeasonYear-round, with peaks during the rainy season
- Habitat
- Calamian Deer inhabit tropical forests and grasslands, often found in hilly or mountainous areas. They prefer dense vegetation that provides cover and food sources.
- Biomes
- Tropical Rainforest, Grassland
- Native Range
- Endemic to the Calamian Islands in the Philippines, particularly on Busuanga and Culion islands.
- Continent
- Asia
- Countries
- Philippines
- Diet
- Calamian Deer are herbivores, primarily feeding on leaves, fruits, and grasses. They are known to graze on a variety of vegetation found in their forest habitats.
- Diet Type
- Herbivore
- Favorite Food
- leaves, fruits, grasses
- Social Structure
- solitary or small groups, typically females with their offspring
- Activity Pattern
- Crepuscular
- Group Size
- 1-5
- Territorial
- 0
50-90 kg
Weight
1.2-1.5 m
Length
0.8-1.0 m at shoulder
Height (Shoulder)
- Coloration
- reddish-brown coat with lighter underparts
- Sexual Dimorphism
- males are larger and have antlers, while females are smaller and antlerless
- Lifespan
- 10-15 years in the wild, up to 20 years in captivi
- Gestation Period
- 210 days
- Offspring per Birth
- 1
- Sexual Maturity
- 1-2 years
- Breeding Season
- Year-round, with peaks during the rainy season
EN
Endangered
IUCN Red List Status
- Population Status
- The population of Calamian Deer is currently declining due to habitat loss and hunting pressures.
- Wild Population Estimate
- 1,000-2,500
- Population Trend
- Decreasing
- Endangered
- 1
- Threats
- Main threats include habitat destruction due to agriculture and urban development, as well as hunting for bushmeat. These factors have significantly reduced their population and range.
- Conservation Program
- Conservation efforts are underway, including habitat protection and anti-poaching measures.
- Predators
- Main predators include large carnivores such as the Philippine Eagle and feral dogs.
- Defense Mechanisms
- Calamian Deer rely on their agility and speed to escape predators, often using dense vegetation for cover.
- Found in Zoos
- Uncommon