It’s quite unusual for dogs to meet and immediately go nose to nose, they will usually go around each other and then sniff each other’s butt, just like the white dog is doing.
When Dodoïte, my dog — in the middle (pronounced “dodo ite”), is in a ‘good mood’, he becomes ‘a serial humper’. He will hump male dogs and female dogs…
Dogs sniffing each other, nose to nose
Before (left) and After (right)
Camera: Canon 7DMkII ISO 1250 and 1/400
Lens: Canon 70-200mm f/4 @111mm and f/6.3
Processed with Darktable 2.0.6: http://www.darktable.org/