I found this story fascinating
Nonetheless, the rate at which we are transporting species is unprecedented, converting previously separate continents and islands into one biological supercontinent. In effect, we are creating New Pangea, the greatest ecological pile-up in the Earth’s long history.
...
Entirely new species have even come into existence. The “apple fly” has evolved in North America, thanks to European colonials bringing fruit trees to the New World. And house sparrows mated with Mediterranean “Spanish” sparrows somewhere on an Italian farm. Their descendants represent a brand new species, the Italian sparrow.
...
The sixth mass genesis? New species are coming into existence faster than ever thanks to humans
Nonetheless, the rate at which we are transporting species is unprecedented, converting previously separate continents and islands into one biological supercontinent. In effect, we are creating New Pangea, the greatest ecological pile-up in the Earth’s long history.
...
Entirely new species have even come into existence. The “apple fly” has evolved in North America, thanks to European colonials bringing fruit trees to the New World. And house sparrows mated with Mediterranean “Spanish” sparrows somewhere on an Italian farm. Their descendants represent a brand new species, the Italian sparrow.
...
The sixth mass genesis? New species are coming into existence faster than ever thanks to humans