| relatively high prevalence of pox-like lesions in henslow's sparrow (ammodrammus henslowii) among nine species of migratory grassland passerines in wisconsin, usa. | globally, avipoxvirus species affect over 230 species of wild birds and can significantly impair survival. during banding of nine grassland songbird species (n=346 individuals) in southwestern wisconsin, usa, we noted species with a 2-6% prevalence of pox-like lesions (possible evidence of current infection) and 4-10% missing digits (potential evidence of past infection). these prevalences approach those recorded among island endemic birds (4-9% and 9-20% for the galapagos and hawaii, respective ... | 2014 | 25121409 |