None is thought to exist in the wild, which means the two females -- Lolo and Bryn -- are the only known purebred pygmy rabbits left in existence.

• 这致使美国在实施一个旨在试图拯救这种濒危物种免于灭绝的圈养繁殖计划的过程中，仅有两只纯种的雌性侏儒兔尚存。