hermaphroditic frogs

More Wildlife Fish are Experiencing ‘Intersex’ – What Could be Causing This?

More wildlife are experiencing strange reproductive abnormalities, but why? In a study released last year, the U.S. Geological Survey and U.S. Fish and Wildlife Service (USFW) tested male smallmouth and largemouth bass from 19 National Wildlife Refuges. The researchers found that 85% of the smallmouth bass “had signs of female reproductive parts.” Of the largemouth bass, 27% were intersex. What could be causing this?