Frogs living in wildlife refuges across the US were examined over ten years to reveal that abnormalities are actually much lower than expected, averaging fewer than 2% across the entire country.
Abnormalities included absent or shortened limbs, missing eyes, shortened digits or other injuries.
Despite this, several “hot spots” for amphibian deformities were found around the country, with an abnormality rate approaching 40% in certain years.
It is the first study to confirm and quantify the existence of these hot spots.
Read more at Gettysburg College