Protein relationships among titmice (Parus)
https://stroudcenter.org/wp-content/uploads/2016/09/Lofty-Stream-Dave-Funk-1024x681.jpg 1024 681 Stroud Water Research Center Stroud Water Research Center https://stroudcenter.org/wp-content/uploads/2016/09/Lofty-Stream-Dave-Funk-1024x681.jpgGill, F.B., D.H. Funk, and B. Silverin. 1989. The Wilson Bulletin 101(2):182–197.