Natural World
arrow left arrow right
Vicunas crossing Chimborazo Mountain
Wish
Love Rocks
Beggar Woman
A portrait of a old lady at ladak
King of the Mountain
Still Life III
Venice Beach after sunset
Dance With Me
Boston Building
Being the one
Testing the Air
When the Star Trails Freeze
An Immature Planthopper
Messing with the hay 02
The Hunter 4
dust
Sunrise From Mahagiri
Glacier Camp
Sierra Sunrise
Tiger Mosquito
Fishing
Morning Prayer
12th Annual Smithsonian.com Photo Contest
Testing the Air

A young bison bull in Custer State Park exhibiting flehmen, a behavior that allows him to determine if cows are ready to mate.

TAGS: Bison, Fall, South Dakota, United States

photographer avatar
Member since 2014
Photo Information
Copyright:
© Cathy Illg.
All rights reserved.
Image Source: digital
Date Taken: 09.2012
Total Views: 51
Filed Under: Natural World
Camera Information
Date Uploaded: Nov. 25, 2014, 12:47 p.m.
Camera Make:
Camera Model: Canon EOS 7D
Focal Length: 90mm
Shutter Speed: 1/30
Aperture: f16
ISO: ISO400
Report This
SMITHSONIAN.COM COLLECTIONS
PHOTO LOCATION South Dakota, United States of America