Picture this. A large island is populated by foxes and rabbits. The foxes eat the rabbits. There are enough foxes to keep the rabbits in check. The rabbits feed on the vast natural grasslands.
Humans arrive and squirrels are introduced. The foxes have no appetite for squirrels. The foxes won’t eat them. The squirrels thrive on the native fruit trees and nut trees because they can easily climb them. They reproduce in massive numbers. Their numbers are getting out of control.
An agricultural blight strikes. The natural grasses the rabbits consume are devastated. The rabbits have less grass to eat plus the usual numbers of foxes to hunt them down. The rabbits start to die off because of the lack of grass and predatory foxes.
Soon there are not enough rabbits to feed the foxes. The foxes start to suffer too.
Will the foxes develop a taste for squirrels because that is the only food source that is in abudance?
