Facts about Rice-field Rats
- 10
Female rice-field rats enter estrus within 24 to 48 hours after giving birth, allowing them to become pregnant again while still nursing their current litter.
- 09
Predation by barn owls, snakes, and monitor lizards can control rice-field rat populations by consuming up to 3,000 individuals per square kilometer annually in Southeast Asian ecosystems.
- 08
Within rice paddies, rice-field rats create extensive burrow systems with multiple entrances and chambers that can extend up to 2 meters underground for nesting and food storage.
- 07
The rice-field rat's upper incisors grow continuously throughout its lifetime, requiring constant gnawing on hard plant stems and seeds to maintain functional tooth length.
- 06
Nocturnal rice-field rats exhibit peak foraging activity during the first three hours after sunset, consuming approximately 10 to 15 grams of plant material per night.
- 05
Rice-field rats possess a specialized digestive system that allows them to consume green rice plants and seeds with minimal water requirements, enabling survival in seasonally dry paddies between monsoons.
- 04
Agricultural regions across Thailand, Vietnam, and Cambodia experience rice-field rat outbreaks synchronized with monsoon flooding patterns that create ideal breeding habitats.
- 03
Damage to rice crops by rice-field rats in Southeast Asia can result in losses exceeding 20 percent of harvests in severely infested areas.
- 02
Rattus argentiventer, the rice-field rat, produces up to 12 litters annually with litter sizes averaging 6 to 8 pups, enabling rapid population recovery after control efforts.
- 01
Populations of rice-field rats in Southeast Asia can reach densities exceeding 1,000 individuals per hectare during peak breeding seasons.