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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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The Baldacchino. Rome, St. Peter's




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Catching Butterflies




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Catching Butterflies




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Madame Charpentier and Her Children




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Madame Charpentier and Her Children




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Madame Charpentier and Her Children




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Mother and Child




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Mother and Child




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Portrait of Achille Emperaire (1829-98), Painter of Aix




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Portrait of Achille Emperaire (1829-98), Painter of Aix (detail)




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Panorama N from Forte di Belvedere toward Uffizi, Palazzo Vecchio and Duomo




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Microclimate conditions within the rolled leaves of Lepanthes helleri (Orchidaceae)




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Asymmetry of floral structures and the possibility of self-pollination in Oerstedella exasperata (Orchidaceae)




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Impact of reward on floral mimics Lantana camara (Verbenaceae) and Epidendrum radicans (Orchidaceae)




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Interaction of color and sugar concentration preference with aggression in Monteverde Cloud Forest hummingbirds (Trochilidae)




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




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Fruit production frequency as an indication of self-pollination in Lepanthes eximia (Orchidaceae : Pleurothallidinae) in Monteverde, Costa Rica




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Ant-plant coevolution: a systematic evaluation of the Myrmelachista haberi (Formicinae) and Ocotea sp. (Lauraceae) symbiosis




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Survival and reproductive fitness of two species of Pleurothallid orchids along a changing climatic gradient




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Precipitation variation and its effects on the reproductive success and survival of Lepanthes jimenezii (Orchidaceae)




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Mycorrhizal fungi in epiphytic and terrestrial Oerstedella exasperata (Orchidaceae)




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Discrimination of aposematic and novel prey by mature Sceloporus malachiticus




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Relationship between floral advertisement and pollinia removal in Oerstedella exasperata (Orchidaceae)




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Mycorrhizae concentration and fitness of canopy orchids in the cloud forest of Monteverde, Costa Rica




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Mycorrhizal fungi in aerial and terrestrial roots of an epiphytic and two terrestrial species of Orchidaceae




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Distributions of epiphytic orchids and bromeliads on secondary forest and pasture trees




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Spatial distribution, nectar production, and pollinator visitation in Habenaria monorrhiza (Orchidaceae)




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




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Importance of flower size and yellow coloration as influencing factors in the reproductive success of Pleurothallis sanchoi (Orchidaceae)




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




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




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Childhood outdoor experiences and current behavior : Attitude towards the environment and conservation




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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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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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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)