But it was rabbit warrens where rabbits would live until hunting, particularly fox hunting, was introduced and that killed many of the rabbit's predators.
So Victoria knows a thing or two about rabbits – and said the word 'warren' used in town and village names, is evidence that they've been in the UK since the mid-17th Century.
They were unexplained, but the patients were in quarantine, and they had all worked in the same place, the pungent litter-strewn warren of stalls that made up the local seafood market.
And we talked about a warren – an underground area where rabbits live, but also a building or a part of a town where there are lots of confusing passageways or streets where it is easy to get lost.