Prairie-chicken Survey in Minnesota during 2010
نویسنده
چکیده
Surveys for greater prairie-chickens (Tympanuchus cupido pinnatus) were conducted during April and May of 2010. We located 152 booming grounds where males gather for breeding displays, and we counted 1,499 male prairie-chickens, including birds of unknown sex.
منابع مشابه
Prairie-chicken Survey in Minnesota during 2008 and 2009
Surveys for greater prairie-chickens (Tympanuchus cupido pinnatus) were conducted (includes birds of unknown sex) and located 151 booming grounds. Within survey blocks we observed 0.32 (0.23–0.42) leks/mi 2 and 10.8 (9.6–12.1) males/lek. Approximately 19% fewer leks and 30% fewer males were counted in survey blocks during spring 2009 than during spring 2008. Averages of annual densities observe...
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Greater prairie-chickens (Tympanuchus cupido pinnatus) are a medium-sized grouse species (800–1000 g; 1.8–2.2 lbs). During spring they gather on communal breeding areas, or leks, where males display and compete for opportunities to mate. Prairie-chicken leks are also called booming grounds because males make a low-frequency, booming vocalization during their displays. Orange air sacs on the sid...
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