![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
![]() |
Bull moose display the Flehman Response during the rut. They raise their heads, curl their lips and expose a gland in their upper palate to detect chemicals from a nearby cow to determine their receptiveness for mating.
Images are Copyrighted 2008 by Dan Ng and may not be used without permission.