a dog running on the ground
a dog running in the field
a field containing a running dog
a sheep and a dog enclosed in a field
Black and white dog herding lamb
Dog running in field 
Black and white dog running
Dog running with tongue out
Dog with white tail running 
dog running to the right
wooden fence in background
dog running across grass
dog with mouth open
Dog with long hair flowing in the wind
Black and white dog running with it's mouth open
a dog running in green grass in front of sheep in a field