Well, now isn’t that a beautiful smile! 😀
Of course he wasn’t really smiling as much as performing the flehmen response to get a good whiff of the ladies to see if any happened to be ready for his overtures. Many animals do this, kind of how we inhale deeply through our noses to get a better smell of something.
On this morning, the bull had a nice harem of a dozen or so cows he was trying to keep under control, all while waiting for them to signal it was time to mate. He was fortunate that there weren’t any competitors nearby so he had them all to himself – for the time being.