rat
a vole
Wallabee
a synonym for slow beginning with the letter r is retard
a rodent or a rat. maybe the grim Reaper.
Chinchilla or Capybara are two South American rodents that begin with the letter C.
roach
red
Renfrew is a town in Scotland. It begins with the letter R.
Agouti
Agouti
The name of the European fish with the name beginning with letter D and the third letter is R is Dory.
Reduction is a synonym for sale. It begins with the letter r.