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Comparison of nest predation in two riparian habitats




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Effects of novel object versus predator presence on nectarivorous bat foraging behavior




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Effects of forest fragmentation on stem length, age, and reproduction on an understory palm species Chamaedorea pinnatifrons (Arecaceae)




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Abundance and species richness of seedlings in proximity to forest in windbreaks of Cañitas, Costa Rica




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Development of cane toad (Chaunus marinus) tadpoles in the presence of intraspecific and interspecific competition under resource limiting conditions




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Müllerian body production by Cecropia obtusifolia (Cecropiaceae) with and without Azteca ants




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Effects of ecotourism on mammal diversity in the Monteverde cloud forest preserve




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Feeder position preferences in response to potential and artificial predators in hummingbirds




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Vesicular-Arbuscular Mycorrhizae (VAM) spore abundance and soil characteristics along a neotropical premontane forest successional gradient




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Optimal energy allocation and behavior modification in provisioning Crawfordapis luctuosa




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Effect of ground temperature and nest differences on productivity and worker size in Atta cephalotes (Hymenoptera Formicidae)




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Habitat preference of Leptonema sp. (Trichoptera : Hydropsychidae) on tropical waterfalls




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Non-vocal sounds produced by the wings of Inca doves, Columbina inca, and seasonal effects on communication behavior in Costa rican dry-moist lowland forest




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Responses to prey size in Metabus gravidus (Araneae: Araneidae) provide evidence for optimal foraging




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The wag-display of the blue-crowned motmot (Momotus momota) as a predator-deterrent signal




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Effects of inbreeding on morphology and reproduction in Morpho peleides (Nymphalidae)




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Shifts in flowering phenology in response to irregular precipitation and temperature patterns in Monteverde




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Resource allocation to vegetative versus reproductive structures in Piper sp




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Sucrose concentration preference in nectarivorous bats




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Effects of Trichoderma harzianum perimeter applications on preventing Mycena citricolor in Coffea arabica plots




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Communal care of offspring in the white-faced capuchin monkey (Cebus capucinus)




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A test of the Hubbell Theory using protist communities in bromeliad tanks as a model system




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Presence of protozoan parasite Ophryocystis elektroscirrha (Neogregarinda: Ophryocystidae) in populations of butterflies in Monteverde, Costa Rica




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Preference on the scatter-hoarding behavior of the Central American Agouti (Dasyprocta punctata)




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Protist community diversity in relation to resources in bromeliads




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Litter depth, soil moisture, stem and seed counts around trees on slopes in a premontane tropical moist forest




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Butterfly proboscis length and pollen load




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Ithomiinae visitation to a source of Pyrrolizidine Alkaloids (Ageratum cf. reedii) and proximity to mating leks




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Mucuna urens dispersal by agoutis (Dasyprocta punctata) in the Monteverde area of Costa Rica




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Comparison of protist communities in native and exotic bromeliad species




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A protozoan parasite in wild and captive monarch butterfly populations near Monteverde, Costa Rica




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Effect of Ficus tuerckheimii diameter, host tree presence, habitat and orientation on epiphyte diversity and abundance




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Fruit species preference in mountain robins (Turdus plebejus)




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The effects of predator presence on nectarivorous bat foraging behavior




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Changes in saprophytic fungal community structure in response to variations in moisture content




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S.S. men burying the dead in communal graves, probably at Bergen-Belsen




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Infested pool of drinking water, probably at Bergen-Belsen




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Interior view of a hut, probably at Bergen-Belsen




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Concentration camp prisoner sitting down




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Hungarian prisoner at a concentration camp




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Discarded prosthetic limbs at Auschwitz




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Exhausted U.S. Sergeant sleeps after being rescued from Japanese prison camp




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Russian prisoners starved to death by Nazis




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Hungarian woman political prisoner at Penig




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U.S. prisoners liberated from Nazi Stalag XXII-A




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Nazi prisoners in line for "K" rations




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Nazi prisoners waiting to draw water




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Prisoners at Amphing Concentration Camp




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Women political prisoners at Belsen




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Prisoners of Buchenwald