FAMILY THRAUPIDAE 



25. Crown mostly light blue. 



male Blue-hooded Euphonia, Euphonia musica elegantissima. p. 393 

 Crown brown or yellow 26 



26. Crown reddish brown. 



male Tawny-capped Euphonia, Euphonia anneae. p. 397 

 Crown yellow 27 



27. Throat yellow 28 



Throat dark blue 29 



28. Yellow of f orecrown extends two-thirds length of eve. 



male Thick-billed Euphonia, Euphonia laniirostris crassirostris. p. 408 

 Yellow of forecrown extends only to front of eye. 



male Yellow-throated Euphonia, Euphonia hirundinacea gnatho. p. 409 



29. Yellow crown extends beyond eye 30 



Yellow crown extends to middle of eye or less 31 



30. White patch on tail feathers. 



male Orange-bellied Euphonia, Euphonia xanthogaster oressinoma. p. 395 

 No white on tail feathers. 



male Yellow-crowned Euphonia, Euphonia luteicapilla. p. 401 



31. Dark blue ends in straight line across throat, not extending to breast. 



male White-vented Euphonia, Euphonia minuta Jiumilis. p. 399 

 Dark blue of throat extending to upper breast 32 



32. White on outer tail feathers. 



male Fulvous-vented Euphonia, Euphonia f. fulvicrissa. p. 402 

 No white on tail feathers. 



male Spot-crowned Euphonia, E.uphonia imitans. p. 405 



33. Upper surface black and bright yellow 34 



Upper surface without bright yellow 37 



34. Large, more than 160 mm 35 



Small, less than 120 mm 36 



35. Crown red. 



male Western Tanager, Piranga hidoviciana. p. 454 



Crown black. 



male White-throated Shrike-Tanager, Lanio leucothorax. p. 467 



36. Throat and undertail coverts orange, rest of undersurface white. 



male Yellow-backed Tanager, Hemithraupis flavicollis ornata. p. 486 

 Entire undersurface bright yellow. 



male Black-and-yellow Tanager, Chrysothlypis chrysomelas. p. 487 



37. Small, forecrown and rump bright blue. 



Golden-hooded Tanager, Tangara larvata. p. 417 

 Large, upper surface grayish black 38 



38. Undersurface mostly green. 



Dusky-faced Tanager, Mitrospingus cassinii. p. 481 

 Undersurface mostly reddish brown. 



female Rosy Thrush-Tanager, Rhodinocichla rosea eximia. p. 483 



39. Upper surf ace gray, orange, or brown 40 



L T pper surface greenish or yellow 48 



40. Upper surface gray 41 



Upper surface orange or brown 44 



