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

Two male Greater Prairie-Chickens battling on a lek. A dominant male on each lek typically performs more then 85% of copualtions with females. This results in a functional decrease in the genetic size of a population. Ft. Pierre National Grassland, South Dakota.
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Two male Greater Prairie-Chickens battling on a lek. A dominant male on each lek typically performs more then 85% of copualtions with females. This results in a functional decrease in the genetic size of a population. Ft. Pierre National Grassland, South Dakota.

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Keywords:
Ft. Pierre National Grassland
Greater Prairie-Chicken
NPL
Prairie
South Dakota
Tympanachus cupido
aggression
bird
booming
courtship
display
endangered species
fight
grouse
lek
spring