F/11.0, 1/500, ISO 250.
What do you call a guy who never farts in public?
A private tutor.
Interesting Fact: Tree Swallows have helped researchers make major advances in several branches of ecology, and they are among the best-studied bird species in North America. Still, we know little about their lives during migration and winter. ( https://www.allaboutbirds.org/guide/Tree_Swallow/lifehistory )