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A comparative study of environmental attitudes in 9-12th grade students in Monteverde Costa Rica and Edina Minnesota




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Riparian microhabitat selection by Norops oxylophus (Polychrotidae) in San Luis, Costa Rica




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Two Agaonid pollinators of Ficus tuerckheimii (Moraceae) : parasitism and interspecific competition within an obligate mutualism




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Altitudinal variation in Ithomiine (Nymphalidae) color patterns




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Factors influencing dispersal and population structure of phoretic mites in Centropogon solanifolius (Campanulaceae) and Columnea spp. (Gesneriaceae)




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Behavioral response of wrens (Troglodytidae) to familiar and unfamiliar predator playbacks




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Effect of minima on the velocity of the workers in Atta cephalotes




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The effects of farming practices on nectar quality and quantity in Coffea spp




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Repulsion from chemical cues in Bufo marinus (Cane toad) tadpoles




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Selection for survival : soil grain size preference and body size in wormlion (Vermilio sp.) larvae affect pit trap construction




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Blood parasite infection in mice from cloud forest and nearby disturbed habitats




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Determining avian vulnerability to ectoparasites using morphological and natural history traits




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Discrimination of aposematic and novel prey by mature Sceloporus malachiticus




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Forest proximity, avian diversity and insect herbivory in shade grown coffee




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The effect of wing color on Heliconius melpomene mating behavior and its implications on the evolution of mimicry




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Microclimate effects on cyphellae density in Sticta lichens




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Endosperm loss, seed germination, and early seedling growth in large-seeded tropical trees




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Extra extrafloral nectaries and anti-herbivory protection in Inga sierrae (Fabaceae : Mimosaceae)




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Phenology and phoretic bat mites of Calyptrogyne brachystachys (Arecaceae) flowers in the Monteverde Cloud Forest




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The role of primary forest on tropical avian communities in a mixed agricultural landscape




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The role of size and defensive compounds in mate choice by Nyssodesmus python (Polydesmida: Platyrhacidae)




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Increased agonistic behavior in hummingbirds (Family Trochilidae) in Monteverde, Costa Rica with a reduction of food at artificial feeders




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Effect of color and territoriality on hummingbird visitation to feeders in Monteverde, Costa Rica




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The mosaic effect habitat fragmentation and microhabitat partitioning among three wren species in San Luis, Costa Rica




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Effect of resource manipulation on aggression in the Steely-vented hummingbird (Amazilia saucerrottei)




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Food resource density and territorial behavior of Monteverde Cloud Forest hummingbirds




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




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Fruit presentation and its discovery and removal by frugivorous bats (Phyllostomidae)




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Mist frequency and butterfly emergence from the chrysalis: Implications for tropical cloud forest climate change




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




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




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Defense mechanisms of Nyssodesmus python (Polydesmidae)




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Forest regeneration under Ficus tuerckheimii and Sideroxylon portoricense in former pasturelands




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




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Buttresses as microhabitats for leaf-litter macroinvertebrates




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




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




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




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




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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)




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Crop size, ripening, and fruit removal in Solanum umbellatum (Solanaceae) by Phyllostomid bats




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Supernormal stimulus as a mimicry strategy the case for Epidendrum radicans (Orchidaceae)




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Impact of intraspecific and interspecific competition on aggression and foraging of hummingbirds (family Trochilidae)




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The role of extrafloral nectaries and saponins in plantherbivore interactions of Inga sierrae (Fabaceae : Mimosaceae)