Investigación ambiental: Envíos recientes
Mostrando ítems 846-850 de 1280
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Notes on the birds of Hispaniola
(1929)During the summer of 1927 the author spent the period from June 14 to August 10 on the island of Hispaniola….......From July 4 to 7 we collected at Higüey, Seybo and Hato Mayor in the eastern part of the island, and from ... -
Nidification of the passerine birds of Hispaniola
(1943)When I began my survey of the avifauna of the West Indies in 1927 very little was known of the nesting habits of the birds of Hispaniola, and I tried to fill this gap during the nine months that I spent on the island. It ... -
Discovery of breeding Black-capped Petrels on Hispaniola
(1964)The status of the Black-capped Petrel (Pterodroma hasitata), which formerly bred on several West Indian islands, has been obscure since late in the nineteenth century, when the location of the diminishing breeding colonies ... -
First nest record of the White-winged crossbill in Hispaniola
(1975)On 2 April 1971, while we were camping in southwestern Dominican Republic above El Aguacate in the Sierra de Baoruco (the eastern extension of the Massif de la Selle, the only known crossbill location in Haiti), one of us ... -
Speciation, heterochrony, and genetic variation in Hispaniolan Palm-Tanagers
(1990)We documented levels of genetic variability for two species of Hispaniolan palm-tanagers. Significant differences between age classes in levels of genetic heterozygosity were concordant with an age dimorphism in foraging ...