Listar por autor "Alvarez López, Humberto"
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Reproducción del cucarachero común (troglodytes aëdon, aves, troglodytidae) en el valle del cauca
Alvarez López, Humberto; Heredia Flórez, María Dolores; Hernández Pizarro, María ClaudiaThe breeding biology of the Southern House Wren was investigated at 24 nests between may 1977 and february 1979 in the Cauca Valley (3°32' 20" N, 76° 31' 57" W, 976 m), Colombia. Eleven adults and 33 juveniles were banded ...Universidad Nacional de Colombia Revistas electrónicas UN Caldasia. -
La situación del tororoi pechicanela (grallaria haplonota, formicariidae) en colombia
Stiles Hurd, Frank Galfierd; Alvarez López, HumbertoWe present the first specimen records of Grallaria haplonota for Colombia, where it occurs between 1300 and 1700 m long the Pacific slope of the western Andes, north to Risaralda. Data on the ecology and vocalizations are ...Universidad Nacional de Colombia Revistas electrónicas UN Caldasia.