- Rats’ teeth grow continuously throughout their lives
- Female rats can mate again as soon as they have given birth, so a female can be nursing one litter whilst pregnant with the next
- Rats need to eat 10-15% of their body weight each day just maintain their weight
- The Old World rat and mice family has more species in it than any other mammal family
- A new species of giant rat was last year discovered deep in the jungle of Papua New Guinea
Al Hoffer's South Florida Pest Blog 