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Open AccessAuthor Correction: Ongoing declines for the world’s amphibians in the face of emerging threats
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Article
Open AccessOngoing harlequin toad declines suggest the amphibian extinction crisis is still an emergency
Biodiversity loss is extreme in amphibians. Despite ongoing conservation action, it is difficult to determine where we stand in overcoming their extinction crisis. Among the most threatened amphibians are the ...
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Article
Open AccessOngoing declines for the world’s amphibians in the face of emerging threats
Systematic assessments of species extinction risk at regular intervals are necessary for informing conservation action1,2. Ongoing developments in taxonomy, threatening processes and research further underscore t...
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Jaguars (Panthera onca) in the Llanos of Colombia and Venezuela: Estimating Distribution and Population Size by Combining Different Modeling Approaches
The Llanos of Colombia and Venezuela are an ecoregion composed of savannas, forests, and wetlands, with a high biodiversity and once home to a high-density jaguar (Panthera onca) population. We used published and...
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Article
Open AccessEffect of sex, age, and reproductive status on daily activity levels and activity patterns in jaguars (Panthera onca)
All animals, including carnivores, adapt their daily activity duration and distribution to satisfy food demands, breed, or avoid mortality risk. We used the kernel density method to estimate daily movement act...
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Article
Open AccessDensity and population structure of the jaguar (Panthera onca) in a protected area of Los Llanos, Venezuela, from 1 year of camera trap monitoring
Density is crucial for understanding large carnivore ecology and conservation, but estimating it has proven methodologically difficult. We conducted 1 year of camera trap** to estimate jaguar (Panthera onca) de...
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Article
Plantlet recruitment is the key demographic transition in invasion by Kalanchoe daigremontiana
Biological invasions have a great impact on biodiversity and ecosystem functioning worldwide. Kalanchoe daigremontiana is a noxious invasive plant in arid zones. Besides being toxic for domestic animals and wildl...
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Article
Batrachochytrium dendrobatidis Infection in the Recently Rediscovered Atelopus mucubajiensis (Anura, Bufonidae), a Critically Endangered Frog from the Venezuelan Andes
The harlequin frog, Atelopus mucubajiensis, is a critically endangered species that was believed to be extinct until 2004, when a single adult female was found in the Venezuelan Andes. Its disappearance after 199...
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Article
Body size selection inAcanthoscelides alboscutellatus (Coleoptera: Bruchidae)
Direct observations and analyses of selection occurring in natural populations are rare. The biology of the bruchid beetle,Acanthoscelides alboscutellatus, on its host plant,Ludwigia alternifolia, provides an anu...
