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Species composition of bats (Chiroptera) in different land- use mosaics




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Behavioral changes of the Slate-throated Redstart (Myioborus miniatus) and the Collared Redstart (Myioborus toquatus) along an altitudinal gradient in the Monteverde Cloud Forest Preserve




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Changes in female behavior in eusocial wasp Mischocyttarus mastigophorus (Hymenoptera : Vespidae) due to the removal of males from the nest




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Effects of ultraviolet radiation and degraded water quality on growth and survival of Bufo marinus tadpoles




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The effects of Cecropia obtusifolia and Cecropia polyphlebia on lung capacity in relation to alkaloid concentration




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Captive breeding causes small body size in Morpho peleides limpida (Nymphalidae : Morphinae)




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Wing color and mating preferences of Heliconius sara




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Guidelines for sustainable ecotourism in Monteverde, Costa Rica




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The effects of elevation and land use on ant activity and ant species diversity




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




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Differences in bark beetle (Coleoptera : Curculionidae) community composition within Cecropia obtusifolia (Cecropiaceae) petioles in two habitats in Monteverde, Costa Rica




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Effect of colony size on age structure and behavior of Metabus gravidus (Araneidae) in the Monteverde Cloud Forest




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Behavioral adaptability of calling in a species of cricket (Orthoptera : Anastostomatidae) based on an increase in interference from a heterospecific natural chorus 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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Body size and sexual selection in Heliconius charitonius and Heliconius melpomene (Lepidoptera : Nymphalidae)




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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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Mycorrhizal abundance in aerial versus terrestrial roots among the climbing Araceae of the Monteverde Cloud Forest




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




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Passiflora (Passifloraceae) defenses against Heliconius cydno (Nymphalidae: Heliconiinae) oviposition




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Differential aboveground adventitious root production by Senecio cooperi (Asteraceae)




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The role of cyanide in oviposition by Heliconius (Nymphalidae : Heliconiinae) on Passiflora (Passifloraceae)




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Evidence of subsocial behavior through analysis of prey capture and feeding in a new species of Anelosimus (Araneae : Theridiidae)




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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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Hymenoptera diversity and abundance in fragmented and continuous forest in San Luis, Costa Rica




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Medicinal plant use and knowledge for Monteverde residents based on age and education




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




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Selective bromeliad foraging in Cebus capucinus along a tropical premontane wet forest edge




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Comparison of abundance of vesicular-arbuscular mycorrhizal fungi on sun- and shade-grown coffea arabica plants




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The role of size, social interaction and predation on metachrosis of the green spiny lizard (Sceloporus malachiticus)




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Macro fungi species richness between two oak tree species (Quercus insignis and Quercus corrugata)




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Structure and function of buttress roots in tropical oaks of Quercus spp. in windward and leeward cloud forest




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The use of macroinvertebrates as water quality indicators along two streams in a disturbed landscape in Cañitas, Costa Rica




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Niche portioning in four frugivorous neotropical bats: Carollia subrufa, Carollia perspicillata, Sturnira ludovici, and Artibeus toltecus




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Associative color learning and age in Heliconius butterflies




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Behavior of the blue-diademed motmot (Momotus lessonii) when hearing predator and conspecific calls




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Effects of Passiflora cyanide, toughness and leaf age on Heliconius oviposition




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




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




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




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Forest regeneration under Ficus tuerckheimii and Sideroxylon portoricense in former pasturelands




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




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