Northern Flicker birds, Yellowstone Park. 黃石公園

Photographer Chuck Courson 

Picking up the kids and moving house! Bird bullied by agressive starlings leaves nest with egg in its beak | Mail Online http://www.dailymail.co.uk/news/article-2162284/Picking-kids-moving-house-Bird-bullied-agressive-starlings-leaves-nest-egg-beak.html
Northern Flicker - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Northern_Flicker