What squirrels can teach us about why, when, and how to use gene drives

Rebecca Nesbit,  synbiobeta,  2020.

As the last ice age drew to a close, red squirrels made Britain their home. They adapted to a changing landscape and thrived as the UK’s only squirrel species. That all changed in 1876 when grey squirrels were introduced to England from North America as an ornamental species in the grounds of stately homes.