Brown rats typically grow to about 9-11 inches in body length, with tails adding another 7-9 inches, and weigh between 12-16 ounces when fully grown. The film’s depiction of the rats’ physical ...

The problem has nothing to do with rats' droppings. The coral reefs need nutrient-rich seabird droppings that naturally fertilise it but this is reduced if the rats kill the seabirds.