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...

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