. The birds of the Republic of Panama. Birds. FAMILY BOMBYCILLIDAE 195 More recently in the Canal Zone, Eisenmann (in litt.) reports seeing two flocks, each with over 15 birds, on the Pipeline Road on March 7, 1974, (with E. S. Morton) and several flocks aggregating at least 17 birds, at Summit Gardens on February 6, 1973 (with Ridgely). J. J. Pujals reports it on Escobal Road on March 20, 1971. N. G. Smith reports seeing a group of 4 on the road above Santa Fe, Veraguas, 930 m. on April 7, 1975, a late date. There seem to be no reports from the Azuero Peninsula or on the mainland east of the
. The birds of the Republic of Panama. Birds. FAMILY BOMBYCILLIDAE 195 More recently in the Canal Zone, Eisenmann (in litt.) reports seeing two flocks, each with over 15 birds, on the Pipeline Road on March 7, 1974, (with E. S. Morton) and several flocks aggregating at least 17 birds, at Summit Gardens on February 6, 1973 (with Ridgely). J. J. Pujals reports it on Escobal Road on March 20, 1971. N. G. Smith reports seeing a group of 4 on the road above Santa Fe, Veraguas, 930 m. on April 7, 1975, a late date. There seem to be no reports from the Azuero Peninsula or on the mainland east of the Canal Figure 17.—Cedar Waxwing, Chinito Cedroso, Bombycilla cedrorum. F. G. Stiles and S. M. Smith (Brenezia, vol. 17, 1980, p. 149) be- lieve that occurrences in Costa Rica indicate it is irruptive at the south- ern end of its range, possibly with 3-4 year cycles—a major irruption occurred there in 1973-74, when birds were seen from December 1973 to mid-May 1974 at various Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wetmore, Alexander, 1886-1978. Washington : Smithsonian Institution
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