It is possible, yes.
YES
no its the same size
a cat!
No, dumbo rats are much bigger than fancy rats. They are both very nice creatures though.
Rats are nicer than mice and are bigger, live longer, and are smarter than mice.
Likely large roof rats or wharf rats. They get rather large, perhaps larger than you thought a rat would be.
Bigger than 1 rat. Smaller than the universe.
Yes
Any owl larger than the rabbit eats rabbits.
There is no such animal as a rabbit rat from Australia.
yes and no, it actually depends on the rabbit some of their feet are bigger than their ears and vice versa
A French Lop Rabbit has the genetic ability to achieve weights of 20#'s or more. They are definitely larger than English Lops when they are mature.