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  • 1
    Electronic Resource
    Electronic Resource
    Parasites of Wild Howlers (Alouatta spp.) (1998)
    Springer
    International journal of primatology 19 (1998), S. 493-512 
    Details
    ISSN: 1573-8604
    Keywords: primates ; parasites ; survey ; Costa Rica ; Alouatta
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract A literature review of howler parasites provides the basis for an overview of the ecological significance of parasite surveys in primates. Within this framework, we have added insights into the interactions between primate hosts and their parasites from a long-term study in Costa Rica. We collected fecal samples from mantled howlers (Alouatta palliata) over a 9-year period (1986–1994 inclusive) and analyzed them for parasite eggs, larvae, cysts, and oocysts. We found many misperceptions inherent in the typical methodology of primate parasite surveys and in the reporting of the findings. Our work in Costa Rica suggests that a snapshot effect occurs with most surveys. A static view does not reflect the dynamic and changing ecological interaction between host and parasite. We describe some problems with parasite data analyses that emphasize the need for long-term longitudinal surveys in wild primate groups.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1020312506375
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Group takeover by a natal male howling monkey (Alouatta palliata) and associated disappearance and injuries of immatures (1994)
    Springer
    Primates 35 (1994), S. 435-442 
    Details
    ISSN: 0032-8332
    Keywords: Alouatta palliata ; Infant-killing ; Male takeover ; Juvenile migration
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract As part of a long-term study on howling monkey behavior and social dynamics, a known natal male was observed taking over his group from his putative sire. Due to the accidental death of one of the adult males, this natal male had matured in a one-male group and had never observed juvenile male emigration nor adult male immigration and associated behaviors. Nevertheless, the behaviors associated with the takeover were indistinguishable from those of an immigrant male, including disappearance of immatures, one of whom was found with extensive injuries. While it cannot be said that the natal male inherited these behaviors from his presumed father, it can be said that he exhibited species-typical behaviors associated with male takeover in the absence of observational learning.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02381952
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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