Invasive rats are changing how reef fish behave. It's because there's not enough bird poop.
When you purchase through linkup on our situation , we may earn an affiliate commission . Here ’s how it work . It ’s no secret that invasive rats can cause widespread and long - hold up terms to tropical island ecosystems , but now , a new finding reveals that the invasive rodent ' encroachment may extend even further than the ground on which they scamper ; these ravenous critters can also disrupt the surrounding marine ecosystem ....