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Foraging behavior and risk assessment of six hummingbird species in Monteverde, Costa Rica




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Foraging efficiency and polymorphism of the submajor caste in E. burchellii




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Influence of soil pH on abundance of mycorrhizae in a coffea arabica (Rubiaceae) plantation




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Nectarivorous bat (Anoura geoffroyi, Glossophaga soricina and Hylonycteris underwoodi) preference for nectar quality




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Optimal foraging in leafcutter ants (Atta cephalotes) selection of leaves based on proximity to the nest




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Plants with specialist relationships show higher rates of asexual reproduction from fragments




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Prey preference of Megaphobema mesomelas (theraphosidae) in relation to prey abundance and chemical defense




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Species composition and abundance of bark beetles (Curculionidae Scolytinae) in Cecropia petioles across three life zones in Monteverde, Costa Rica




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Terrestrial invertebrate community composition as an indicator of forest regeneration




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The adaptive function of leaf fenestrations in Monstera spp (Araceae) a look at water, wind, and herbivory




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The interactions of herbivory, ant species and Mullerian body production in Cecropia obtusifolia (Cecropiaceae)




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Using lichen community diversity as a bioindicator of air pollution in the tropics




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Colonial placement behaviors of Metabus gravidus (Araneidae)




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Defense mechanisms of Nyssodesmus python (Polydesmidae)




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Distribution of Norops spp. in two locations in Monteverde, Costa Rica




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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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Differences in Atta cephalotes foraging rate and amount of substrate harvested following the introduction of an antifungal agent




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




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Leaf area, worker size, and number of hitchhiking minima in Atta cephalotes




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Subcaste composition in responses to alarm and non-alarm pheromones on foraging trails of leaf-cutter ant Atta cephalotes (Hymenoptera: Formicidae)




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Spatial distribution of nectar in Lantana camara and visitation by Heliconius butterflies




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Upslope movements of bird species in four life zones in Monteverde as a result of directional climate change




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Influence of microhabitat conditions on the abundance of American Leaf Spot Disease (Mycena citricolor) on Coffea arabica




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The effects of phosphorus, copper, and plant age on mycorrhizal abundance in orchid roots




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Piper spp. scent as an indicator of larvicidal activity




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Pit-trap construction decisions by wormlions (Diptera Vermileonidae) effects of substrate moisture and larval density




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Absence of polarity in trail pheromones and use of sun-compass orientation in leafcutter ants Atta cephalotes




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Change in biodiversity in the inflorescence of Xanthosoma robustum (Araceae) during the flowering period




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Abundance of arbuscular mycorrhizae in epiphytic Orchidaceae : abiotic, biotic and taxonomic factors




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Anthocyanins and delayed greening : Inhibition of leafcutter ants (Atta cephalotes) in Inga punctata (Mimosaceae) and Zygia palmana (Fabaceae)




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Arbuscular mycorrhizal fungi vesicles in Coffea arabica (Rubiaceae) : Agroforestry and conventional coffee farms




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Shade coffee farms as conservation tools : A measure of butterfly diversity in coffee agroecosystems in the Monteverde Region of Costa Rica




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Community composition and chlorophyll levels in lichens as indicators of atmospheric pollution in Monteverde, Costa Rica




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Analysis of resource allocation trade-offs dictated by deceit pollination strategy in the monoecious understory shrub Begonia cooperi (Begoniaceae)




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Greater diversity of fungi on Atlantic slope of Costa Rican cloud forest




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Diversity of macroinvertebrate feeding guilds along a stream order continuum in San Luis Valley, Costa Rica




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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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Foraging habits and social learning of white-faced capuchin monkeys (Cebus capucinus)




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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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Polyethism in Eciton burchellii army ants : a look at task specializations of worker castes




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Site fidelity and song rate as indicators of territoriality in neotropical cricket (Gryllidae)




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Sleep site selection in three species of Norops lizards (Squamata Polychrotidae) in the San Luis Valley, Puntarenas, Costa Rica




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




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Importance of environmental education and knowledge comparing grades 9-12 in Monteverde, Costa Rica and Middleton, Wisconsin, USA




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Effects of resource partitioning on the behavior and foraging activity of the Coppery headed emerald and the purple throated mountain gem hummingbirds (Trochilidae)