Under Wisconsin state law, the greater prairie chicken (GRPC; Tympanuchus cupido pinnatus) has been listed as a threatened species since 1976. In 2014–15, we conducted a pilot study to determine the prevalence and intensity of gapeworms (Syngamus spp.) in female Wisconsin GRPCs collected from 2 monitored populations. We captured 62 female GRPCs using walk-in-style traps for females and night lighting for juveniles ≥45 days of age. From these individuals, we collected 15 carcasses of radio-marked birds, most of whom died due to predation events. Through dissection, we identified gapeworm in 20% of examined carcasses and report an intensity ranging between 4 and 74 worms.
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3 August 2021
Gapeworm (Syngamus spp.) Prevalence in Wisconsin Greater Prairie Chickens (Tympanuchus cupido pinnatus)
J. A. Shurba,
R. A. Cole,
M. S. Broadway,
C. L. Roderick,
J. D. Riddle,
S. A. Dubay,
S. Hull
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Journal of Parasitology
Vol. 107 • No. 4
August 2021
Vol. 107 • No. 4
August 2021
gapeworm
greater prairie chicken
Syngamus spp
Tympanuchus cupido pinnatus
Wisconsin