Browsing Artículo Científico by Title
Now showing items 53-72 of 97
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Factors affecting Jaguar and Puma predation on livestock in Costa Rica
(Wildlife Biology in Practice, 2016-06)Throughout their range, wild felids in the Americas prey on livestock and this sometimes leads to retaliatory killing. Recently, conservation and research programs focused on such conflicts have recommended mitigation and ... -
Factors influencing the occurrence of the Endangered Baird's tapir Tapirus bairdii: Potential flagship species for a Costa Rican biological corridor
(ORYX, 2014)Dengue fever is the fastest spreading, most prevalent and deadly arthropod-borne viral disease world-wide, present in over 125 countries. In 2013, Costa Rica is experiencing the highest number of Dengue infec-tions since ... -
First nest record of the Bare-shanked screech-owl (Otus clarkii)
(Universidad Nacional, Costa Rica., 1997)Reportamos el primer registro de anidación de la Lechucita Serranera (Otus clarkii), encontrado en las tierras altas de Costa Rica. El nido se localizó en un árbol de encino (Quercus copeyensis) a una altura de 3.3m en una ... -
Food niche overlap among neotropical frugivorous bats in Costa Rica
(Universidad Nacional, Costa Rica., 2006)Food habits of 15 species of frugivorous bats were studied at La Selva Biological Station, Costa Rica. Eight hundred and fifty-four (854) fecal samples and 169 samples from fruit parts and seeds discarded by bats beneath ... -
Forest structure and territory size relationship in the neotropical understorey insectivore Henicorhina leucosticta
(Universidad Nacional, Costa Rica., 2010)The neotropical terrestrial insectivore Henicorhina leucosticta (Troglodytidae) maintains long-term territories through vocalizations and forages among leaf litter trapped in the understorey vegetation and ground litter. ... -
Genetic patterns and conservation of the Scarlet Macaw (Ara macao) in Costa Rica
(Springer, 2015)Once widely distributed throughout the lowland forests of Costa Rica, scarlet macaws (Ara macao) have been reduced to two major, geographically separated, pop ulations along the Pacific slope. Past demographic declines ... -
Growth of Mantled Howler Groups in a Regenerating Costa Rican Dry Forest
(Universidad Nacional, Costa Rica., 1998)We examined population dynamics in mantled howlers (Alouatta palliata palliata) in a regenerating tropical dry forest in Santa Rosa National Park (SRNP), Costa Rica. The population has grown at a rate of about 7% per annum ... -
Habitat features influencing jaguar Panthera onca (Carnivora: Felidae) occupancy in Tortuguero National Park, Costa Rica
(Universidad Nacional, Costa Rica., 2014)Habitat characteristics and human activities are known to play a major role in the occupancy of jag uars Panthera onca across their range, however the key variables influencing jaguar distribution in Tortuguero National ... -
Habitat features influencing jaguar Panthera onca (Carnivora: Felidae) occupancy in Tortuguero national park, Costa Rica [Características del hábitat que influyen en la presencia del jaguar Panthera onca (Carnivora: Felidae) en el parque nacional Tortuguero, Costa Rica]
(Revista de Biologia Tropical, 2014-08-13)Habitat characteristics and human activities are known to play a major role in the occupancy of jaguars Panthera onca across their range, however the key variables influencing jaguar distribution in Tortuguero National ... -
Heavy poaching in prime habitat: the conservation status of the West Indian manatee in Nicaragua
(Universidad Nacional, Costa Rica., 2002)This study provides an overview of the conservation status of the West Indian manatee Trichechus manatus in Nicaragua, including data on habitat availability, manatee distribution and relative abundance, and current threats. ... -
Highly diversified coronaviruses in neotropical bats
(Journal of General Virology, 2013-09-01)Bats host a broad diversity of coronaviruses (CoVs), including close relatives of human pathogens. There is only limited data on neotropical bat CoVs. We analysed faecal, blood and intestine specimens from 1562 bats sampled ... -
Home range and activity pattems of Conepatus semistriatus (Carnivora, Mephitidae) in Emas National Park, Brazil
(Universidad Nacional, Costa Rica., 2014)The home range, habitat use, and distance from water sources were estimated for Basiliscus plumifrons in an agricultural matrix in Costa Rica. Using radio telemetry, four females and four males were studied from July-September ... -
Home range and activity patterns of Conepatus semistriatus (Carnivora, Mephitidae) in Emas National Park, Brazil
(Animal Biology, 2014-06-05)Skunks (Mephitidae) have not been well studied throughout the Neotropics. In Brazil there is a general lack of data on the ecology, behavior, distribution, systematics, morphology and biogeographic patterns of the two ... -
Home Range, Habitat Use, and Activity of Baird’s Tapir in Costa Rica
(Universidad Nacional, Costa Rica., 2002)Home range size, habitat utilization, and activity patterns of five adult Baird’s tapirs (Tapirus bairdii) were studied via radiotelemetry from June 1995 to May 1996 in Corcovado National Park, Costa Rica. Estimates of ... -
Immobilization of free-ranging Hoffmann´s two-toed and brown-throated three-toed sloths using ketamine and medetomidine: a comparasion of physiologic parameters
(Universidad Nacional, Costa Rica., 2008)Free-ranging Hoffmann’s two-toed sloths (Choloepus hoffmanni; n526) and brown throated three-toed sloths (Bradypus variegatus; n515) were manually captured and immobilized with 2.5 mg/kg ketamine + 0.02 mg/kg medetomidine ... -
Impacto de la luz artificial sobre la anidación de la tortuga marina Dermochelys coriacea (Testudines: Dermochelyidae), en playa Cipara, Venezuela
(Universidad Nacional, Costa Rica., 2009)Se comparó el número de nidos de tortuga laúd y su distribución espacial entre años con y sin luz artificial, y entre segmentos de playa oscuros e iluminados, en Playa Cipara, Península de Paria, Venezuela. Se entrevistó ... -
Influence of human activities on some medium and large-sized mammals’ richness and abundance in the Lacandon Rainforest
(Journal for Nature Conservation, 2016-12)We evaluated the influence of six human activities (related variables) on the richness and abundance of large and medium-sized mammals in the southern portion of the Lacandon Rainforest, including protected and non-protected ... -
Influence of sea turtle nesting on hunting behavior and movements of jaguars in the dry forest of northwest Costa Rica
(Blackwell Publishing Ltd, 2020-11)Jaguars (Panthera onca) are opportunistic predators that prey on large profitable prey items, such as sea turtles at nesting beaches. Here, we use jaguar and sea turtle trackcount surveys, combined with satellite telemetry ... -
Integrating occupancy modeling and camera-trap data to estimate medium and large mammal detection and richness in a Central American biological corridor
(Tropical Conservation Science, 2013-12-01)Noninvasive camera-traps are commonly used to survey mammal communities in the Neotropics. This study used camera-traps to survey medium and large mammal diversity in the San Juan - La Selva Biological Corridor, Costa Rica. ... -
Inter-trophic food provisioning between sea and land: The jaguar (panthera onca) as provider of sea turtle carcasses to terrestrial scavengers
(International Journal of Conservation Science, 2017-07-10)A more complete perspective of carrion use by terrestrial vertebrates and about the role of predators in net carrion supply will improve our understanding of critical ecological processes, particularly those associated ...