What is now, officially, the Common Gallinule. (Photo used with permission from Flickr: http://www.flickr.com/photos/shellgame/2729073254/sizes/l/in/photostream/
Lincoln’s Sparrows (left) are slightly smaller than Song Sparrows (right), and they have much finer streaks compared to the Song Sparrow’s messy, smudged streaks. (Photo by Alex Lamoreaux)