We choose to observe the presence of wing bars, if the bird had a short or long beak, the color of the throat, eye ring color, belly color, feet color, the presence of yellow feathers, the presence of bright colored feathers, rump coloration, the presence of a curved beak, if the bird had more than two feather colors, and if the crown was a different color than the body. We observed the photographs and the skin museum to observe each species and categorize the plumage characteristics. We wrote the color of each plumage feature in the table and we used “1” and “0” for traits that didn’t specify a color. The presence of wing bars, yellow feathers, bright colored feathers, more than two feather colors, and a matching crown were indicated by a 1 for yes and a 0 indicated no. A short beak was categorized by a 0 and a long beak was categorized by a 1. After evaluating each of the 33 species of Warblers for the set of characteristics determined, four of the patterns were chosen to apply to a phylogenetic tree. We choose the presence of wingbars, the presence of yellow feathers, foot coloration, and the presence of a matching crown color. We indicated the absence of wing bars with a black line on the taxa of the phylogenetic tree.
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