They have usually 7-16 babies but they can have up to 24
A pregnant rat has up to about 20 baby rats.
A brown rat will be pregnant for around 21 days. A Polynesian rat will be pregnant for 21-24 days.
Not before the rat eats the mouse.
Usually when they make a donut shaped nest they are pregnant
Amanda Bynes has no kids she isnt even pregnant
Rats can get pregnant as young as 5 weeks of age and if they have been in contact with a rat of the opposite sex, they can become pregnant within minutes. A rat's pregnancy lasts for approximately 21 days.
Too many, far too many...
cause they want as many kids as god will allow
When it is pregnant or has been desexed.
No. Not the same species.
If your rat is nesting and starting to get nipples, she may be pregnant, but it is possible that she is having a 'phantom pregnancy' where a rat show the signs of being pregnant but doesn't give birth to offspring.
19, but she did have 2 sets of twins so she was only pregnant 17 times.