| a coprological survey of parasites of wild mantled howling monkeys, alouatta palliata palliata. | fecal samples from 155 mantled howling monkeys (alouatta palliata palliata) examined at centro ecologico la pacifica, guanacaste province, costa rica, revealed 75 (48%) had parasitic infections. a sampling of nine howling monkeys from santa rosa national park. costa rica indicated only one infected animal (11%). only three of 19 (16%) spider monkeys (ateles geoffroyi) also from santa rosa were infected. controrchis biliophilus, trypanoxyuris minutus, unidentified strongylid eggs and isospora sp. ... | 1990 | 2250334 |
| mantled howler population of hacienda la pacifica, costa rica, between 1991 and 1998: effects of deforestation. | a survey of the mantled howler (alouatta palliata) population on hacienda la pacifica, guanacaste, costa rica, was done in july and august of 1998 to determine population parameters following deforestation due to major canal construction between 1990 and 1994. the survey was carried out in a manner identical to our 1991 survey and consisted of a single pass and two re-surveys of all forested areas of the farm. as canal construction effectively increased fragmentation of the habitat, we predicted ... | 2002 | 11857652 |
| [intestinal parasites in howler monkeys alouatta palliata (primates: cebidae) of costa rica]. | fecal samples of 102 howler monkeys (alouatta palliata) from several sites of costa rica were studied for intestinal parasites. the zones studied were: central valley (san ramón, alajuela), central pacific (chomes and manuel antonio national park. puntarenas), north pacific (palo verde park and playa potrero, guanacaste). chira island in the nicoya gulf and caribean area (cahuita. limón). animals were anesthetized with dards containing telazol in order to collect the fecal material; some monkeys ... | 2005 | 17354453 |