Mutualism and Commensalism in Avian Mixed-Species Flocks in a Western Forest of Madagascar
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چکیده
منابع مشابه
Assembly of avian mixed-species flocks in Amazonia.
Diamond's "assembly rules" model posits that competitive interactions among species govern the composition of avifaunas. Although originally applied to islands in archipelagoes, this controversial set of hypotheses is difficult to test because islands differ in habitat and resource availability, colonization history, and stochastic effects. Permanent mixed-species flocks of Amazonian birds are ...
متن کاملThe Composition and Social Organization of Mixed-species Flocks in a Tropical Deciduous Forest in Western Mexico’
I recorded the flocking propensity of birds within a tropical deciduous forest in western Mexico during the nonbreeding season, and determined the species composition of 57 mixed-species, canopy insectivore flocks. Each of 27 canopy insectivore species present on the study area was observed foraging in mixed-species flocks on at least half of the occasions that it was detected on bird surveys. ...
متن کاملreflections on taught courses of the iranian ma program in english translation: a mixed-methods study
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
A Description of Mixed-Species Insectivorous Bird Flocks in Western Mexico
Insectivorous bird flocks were observed in all types of forested habitats during the nonbreeding season in western Mexico. The species composition of flocks changed markedly and predictably among five categories of habitat type. The average number of species per flock in lowland habitats was 4.7, while a mean of 18.6 species participated in highland flocks, ranking the latter among the most spe...
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ژورنال
عنوان ژورنال: Primate Research
سال: 1997
ISSN: 1880-2117,0912-4047
DOI: 10.2354/psj.13.121