JUST FOR THE HECK OF IT

SO… why do they fly so low to ocean-wave and floor?

We were in Mancos, Colorado when I picked up his print; A Tim Cox creation called “Just for the Heck of it”. One of my favorite paintings.. It depicts a cowboy, in full rain gear, holding reins in one hand, steadying hat with other.. At a full run with his horse..I mean full-run.. Huge thunder clouds in the distance; sun setting on them.. Calm where he rides. There appears to be no reason for his action other than what the author (painter) has shown me “Just for the heck of it”…

SO… why do they fly so low to ocean-wave and floor?