Rodents comprise the largest group in the mammalian kingdom, representing 42% of all mammal species. There are four families of rodents, the largest of which is the Muridae family. All mice are part of a sub-family called Murinae (Murine rodents).
Mouse populations exhibit very high reproductive rates, females often being able to produce litters of between 6 and 10 young every 4 to 5 weeks. Historically, mice were always thought to be less intelligent than rats, but recent research has shown them to be as intelligent and equally adaptable and agile. Like rats, their incisor teeth grow continuously throughout their lives and are strong and sharp – they are able to gnaw through wood, lead, aluminium, tin and wiring. Mice are abundantly present in Myanmar, often causing serious economic loss and damage, as well as placing both the environment and the health of the human population at risk.