National Geographic News, Reporting Your World Daily

Thursday, October 28, 2010

Photo: Australia's "Road Warrior" Toads Get Arthritis


Email to a Friend	<< Back to Full Story

Many of Australia's invasive cane toads—built more for sitting in the swamp than marathon migrations—are developing arthritis, a new study says.

Even so, the invasive amphibians native to South America are rapidly spreading through Australia's Northern Territory at a rate of up to 37 miles (60 kilometers) a year.

Photograph courtesy Matt Greenlees