If you have a bird feeder in Massachusetts, there’s a very good chance you have witnessed the antics of the tufted titmouse. They may not look it, but titmice are bold as brass, harassing intruders in their territory with their harsh scold calls and even stealing tufts of fur from sleeping mammals to use in lining their nests. Learn more about these furtive birds and check out five great images.

2015 Photo Contest Entry © Nathan Butler

2014 Photo Contest Entry © Lee Fortier

2013 Photo Contest Entry © Kimberlee Bertolino

2012 Focus on Feeders Entry © Cheryl Rose

2012 Focus on Feeders Entry © Anne Greene
those things are wicked cute