- Lifespan
- 10–12 years in the wild
- Size & Weight
- 45–52 cm shoulder height; 10–16 kg
- Habitat
- Deciduous and mixed woodland, dense scrub, and young forestry plantations with good ground cover.
- UK Distribution
- Southern England, particularly Hertfordshire, Buckinghamshire, Surrey, and Sussex; established feral population originating from escaped or released animals. Resident year-round.
- Diet
- Leaves, shoots, bark, fruits, fungi, and fallen seeds; browses low vegetation and shrubs.
- Predators
- Foxes, domestic dogs, and occasionally birds of prey (for fawns); humans via vehicle strikes.
- Mating Season
- July to September (primarily)
- Breeding
- Single fawn born after gestation of 209–221 days, typically May to June; fawns remain hidden for first 6–8 weeks.
- Behaviour
- Solitary or in pairs; territorial males are vocal, making loud barking calls. Primarily crepuscular and nocturnal, though increasingly diurnal in undisturbed areas.