Bobolink
Dolichonyx oryzivorus        
Identification Tips:
-  Short, conical bill
-  Frequents open habitats
-  Often found in large flocks in migration
Adult male alternate:           
-  Black head, underparts, back, wings and tail
-  Yellow nape
-  White scapulars and rump
-  Plumage held in Spring and Summer
Adult female, male basic, juvenile:       
-  Buff and black head stripes
-  Buff underparts with black streaking on flanks
-  Buff upperparts with black streaks on back
-  Dark wings and tail with pale edging
Similar species:                        
The male Bobolink is similar to the male Lark Bunting but has a yellow
nape, white rump, and lacks a white wing patch.  The female Bobolink is
similar to the Grasshopper Sparrow but is larger and has streaked flanks.
Female Red-winged Blackbird has a streaked breast.