6th Annual Smithsonian Magazine Photo Contest Natural World
Gorillas often yawn to show their large teeth as a warning sign and sign of dominance to other gorillas.
Gorillas often yawn to show their large teeth as a warning sign and sign of dominance to other gorillas.
Photo Detail
| Date Taken: | 07.2007 |
| Date Uploaded: | 10.2008 |
| Photo Location: | Omaha, Nebraska, United States of America |
| Copyright: | © Kiely Clark |