Gender differences in haemogregarine infections in American alligators (Alligator mississippiensis) at Savannah River, South Carolina, USA.

We report a host gender bias in haemogregarine infection characteristics in the American alligator (Alligator mississippiensis) at the Savannah River Site, South Carolina, USA. Prevalence and severity in female alligators was higher than it was in males. The reason for this pattern is not clear.