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Aggressive encounter between two male Greater Prairie-Chickens (Tympanachus cupido) on a lek. During these aggressive encounters, males lower their pinnae feathers, deflate their air sacs, leap into t...
01265397
Gerrit Vyn / Aggressive encounter between two male Greater Prairie-Chickens (Tympanachus cupido) on a lek. During these aggressive encounters, males lower their pinnae feathers, deflate their air sacs, leap into t...
Greater Prairie-Chicken (Tympanuchus cupido) male displaying on lek. Fort Pierre National Grassland, South Dakota, USA. When displaying, the males erect earlike plumes on the head and blow up bright o...
01687504
Gerrit Vyn / Greater Prairie-Chicken (Tympanuchus cupido) male displaying on lek. Fort Pierre National Grassland, South Dakota, USA. When displaying, the males erect earlike plumes on the head and blow up bright o...