The Roman rabbits weren't hardy enough for our weather. Although there is a little evidence of rabbits being eaten here in Roman times, if they were 'introduced' then they didn't last long.

Normans introduced the type of rabbit we see today.

Baz

"When I was a Viking re-enactor we were expressly forbidden to mention, eat or wear anything wemotely wabbit"
Kill the wabbit, shudderOn behalf of Bugs Bunny I thank you