Keywords: Passerina caerulea-Yucatán.jpg A first-year Blue Grosbeak male - judging by the remnants of his drab juvenile plumage JIM CONRAD ™S NATURALIST NEWSLETTER Issued from Hacienda Chichén beside the Maya ruin of Chichén Itzá in the central Yucatán MÉXICO http //www backyardnature net/n/09/091129 htm http //www backyardnature net/n/09/091129bg jpg 2009-11-29 Jim Conrad Jim Conrad See http //www backyardnature net/j/copyrite htm 20 40 58 44 N 88 34 7 14 W Passerina caerulea Cardinalidae juvenile |