Paleontologist Steve Brusatte on why birds are facing their biggest existential threat since the dino-killing asteroid. “…their populations have crashed. And it really is because of land use, it’s because of fertilizer, it’s because of pollution, it’s because of climate change.”

Paleontologist Steve Brusatte on why birds are facing their biggest existential threat since the dino-killing asteroid. “…their populations have crashed. And it really is because of land use, it’s because of fertilizer, it’s because of pollution, it’s because of climate change.”

Source: The_Weekend_Baker