If you see a bird on a tree with its head toward the ground chances are good you are looking at a nuthatch.  Our sources for this episode include: White-breasted Nuthatch (The Cornell Lab of Ornithology) https://www.allaboutbirds.org/guide/White-breasted_Nuthatch/overview What is a Nuthatch? http://www.10000birds.com/nuthatches?doing_wp_cron=1550344848.9804060459136962890625 9 fun facts about nuthatches https://www.wausaudailyherald.com/story/sports/outdoors/2016/04/27/9-funfacts-nuthatches/83551868/ How to Attract Nuthatches https://www.thespruce.com/how-to-attract-nuthatches-386249