Gerrit Vyn Photography –

Gerrit Vyn is a conservation and wildlife photographer and cinematographer dedicated to telling the stories of endangered animals and habitats. He is a producer for the Cornell Lab of Ornithology and a fellow of the International League of Conservation Photographers

Adult male Greater Prairie-chicken(Tympanachus cupido) vocalizing on a lek. Ft. Pierre National Grassland, South Dakota. April.
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Adult male Greater Prairie-chicken(Tympanachus cupido) vocalizing on a lek. Ft. Pierre National Grassland, South Dakota. April.

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Keywords:
Ft. Pierre National Grassland
Greater Prairie-Chicken
NPL
Prairie
South Dakota
Tympanachus cupido
bird
booming
breeding
calling
courtship
display
endangered species
grouse
lek
male
vocalizing