South America - Latest works
1618 research works with geographic metadata for South America (Continent).
1618 works
Showing 801 to 850 of 1618 works
Remarkable records of jaguars and Andean bears in northwestern Ecuador: Implications for human-wildlife conflicts
Jaguar populations (Panthera onca) on the Ecuadorian coast are critically endangered, with only a few dozen individuals remaining in the region. In some areas, no records have bee…
Seasonal variation of bat activity in an endangered temperate forest in the Chilean biodiversity hotspot
Bats play an integral key ecological role in forests, but there is limited understanding of how their richness and activity vary over time in temperate forests and the effect of h…
Characterization of bone lesions and bone mineral density of roadkilled wild animals in the Brazilian semi-arid
Highways are one of the anthropogenic factors that have the greatest impact on terrestrial biodiversity. Barriers, depletion effects, and roads are the most common locations of wi…
Sleeping site sharing between Aotus griseimembra (Mammalia, Primates) and Coendou quichua (Mammalia, Rodentia) in a low…
Tree cavities used as sleeping sites are a limited resource for arboreal mammals. The shared use of arboreal cavities as sleeping sites between Neotropical mammals is rarely obser…
Use of latrines and territorial marking behaviors by Subulo gouazoubira in a remnant of the Atlantic Forest in southeas…
The chemical communication signals the presence of individuals and territorial occupation, providing information about identity, sex, and reproductive status. This study aimed to …
Herpetofauna of Laguna Blanca National Park, Argentinean Patagonia: species list and conservation status
Laguna Blanca National Park (LBNP) is located in the mid-west of Neuquén Province, Argentina. It was created in 1940 with the aim of conserving the nesting and breeding habitats o…
Howling shadows: First report of domestic dog attacks on globally threatened mountain tapirs in high Andean cloud fores…
Domestic dogs (Canis lupus familiaris) are recognised worldwide not only as man’s best friend, but also as a form of anthropogenic edge effect impacting wildlife through predation…
Sensitisation, research and management for conservation within ESPOL University forests after the COVID-19 pandemic, E…
Non sustainable land uses are disturbing natural habitats and wild animals’ ecology worldwide. Nevertheless, the sensitisation of key actors combined with research and a consequen…
Comparing diversity of the terrestrial mammal communities inhabiting native forests and exotic plantations in southern…
The mammal community of the Coastal Range of southern Chile has been little studied even though they inhabit an environment under severe threats due to anthropic disturbance. Duri…
Climatic signals on phenological patterns among tree species in a subtropical forest community
The study of vegetative and reproductive phenophases of plants is critical for understanding aspects related to plant behavior in different environments. In the tropics, there is …
A case of leucosis in Heptapterus mustelinus (Siluriformes, Heptapteridae) among populations of streams in southern Br…
Fish populations in environments with a high degree of geographic isolation may be prone to mutations expressed in the phenotypes. These mutations may be related to color pattern,…
Land planarians (Platyhelminthes) also prey on web-building spiders
Although spiders and land planarians constitute diverse groups of terrestrial predators, interactions between them are still unknown. Here, we describe a predatory event of a land…
Release and follow-up of a rehabilitated two-toed sloth (Choloepus hoffmanni) in a tropical dry forest in Ecuador
We present the first records of the post-release follow-up and monitoring of a rehabilitated two-toed sloth (Choloepus hoffmanni) as well as freezing behavior and an inferred anta…
Ocelot, Leopardus pardalis (Mammalia, Carnivora, Felidae), home range in the Lowland Atlantic Forest of Southeastern B…
The ocelot is an important Neotropical mesopredator and information on its spatial ecology remains scarce. Here we estimated the ocelot home range in a remnant of Lowland Atlantic…
Distribution and conservation of vanilla crop wild relatives: the value of local community engagement for biodiversity…
Natural vanilla is a high-value crop with demand increasing globally. Crop wild relatives (CWR) represent valuable agrobiodiversity and are prioritized in the Global Strategy for …
Current state of knowledge on freshwater planarians (Platyhelminthes, Tricladida, Dugesiidae) from Chile
The unique geography of Chile encompasses a wide diversity of ecosystems and a rich biodiversity. However, the platyhelminth fauna has been poorly studied. The aim of this work is…
Genetic divergence and demography of pudu deer (Pudu puda) in five provinces of southern Chile, analyzed through latit…
Pudu deer (Pudu puda) is endemic to the temperate rainforests of Chile. Genetic studies at different geographic scales for this species are required to better determine the geneti…
Record of occurrence of Nasua nasua (Linnaeus, 1766) (Carnivora, Procyonidae) in a densely urbanized area of the city …
The South American coati is a carnivore with a wide distribution in South America. Despite this, it is considered a threatened species in Rio Grande do Sul, as Vulnerable, primari…
The importance of pollination and dispersal syndromes for the conservation of Cerrado Rupestre fragments on ironstone …
Studies on pollination and seed dispersal are essential for the conservation of plant diversity. In this study, we aimed to evaluate the pollination and dispersal syndromes of fiv…
Taxonomic and functional diversity of birds in a rural landscape of high Andean forest, Colombia
We evaluated the taxonomic and functional diversity of birds in a rural landscape in the north-eastern Andes of Colombia. We carried out seven field trips and used transects of 30…
Confirmation of the current occurrence of Nasua narica (Procyonidae) in the Caribbean region of Colombia
The White-nosed Coati, Nasua narica is a small carnivore distributed from the United States to Ecuador, and whose occurrence in Colombia had only been confirmed from the biogeogra…
Strandings of sea turtles on beaches around the oil capital in Brazil
The south-western region of the Atlantic Ocean has feeding and nesting areas for the five species of sea turtles registered in Brazil, which are in different degrees of extinction…
Behavior, ecology and territory of the chestnut-bellied hummingbird, Saucerottia castaneiventris, in the xerophytic ve…
The Chestnut-bellied Hummingbird Saucerottia castaneiventris is an endemic hummingbird of Colombia, currently categorized as Near Threatened (NT) globally and as Vulnerable (VU) i…
Can guava monocultures (Psidium guajava L.) function as refuge for bird conservation?
Agricultural intensification negatively affects bird communities, and the response of birds to these changes varies from those that survive and increase their populations (disturb…
Amphibians of the Sinos River Basin, southern Brazil
The Sinos River encompasses a wide area of natural habitats and, at the same time, supports one of the highest population densities of southern Brazil. Consequently, natural habit…
New morphological data on the rare sigmodontine Mindomys hammondi (Rodentia, Cricetidae), an arboreal oryzomyine from n…
The monotypic rodent Mindomys Weksler, Percequillo & Voss, 2006 (Cricetidae, Sigmodontinae) is one of the rarest members of the speciose tribe Oryzomyini. As this species is restr…
Seasonal dynamics of waterbirds from a relict wetland in the central Monte Desert, Argentina
Wetlands currently have high rates of degradation, with more than 70% lost globally. In the central Monte Desert, Argentina, they are a scarce and limited resource for the biodive…
Gauchergasilus euripedesi (Copepoda, Ergasilidae) parasitizing different species of fish from two environments in south…
The parasitic copepod Gauchergasilus euripedesi (Montú, 1980) Montú & Boxshall, 2002 was described from plankton samples and specimens found in four fish species from the estuarin…
Temporal edge effects structure the assemblages of Drosophilidae (Diptera) in a Restinga forest fragment in Southern Br…
Anthropogenic habitat fragmentation directly affects ecological processes, leading to negative biodiversity impacts for insects and other biota. Increased edge effects are one con…
First records of lowland tapir, Tapirus terrestris (Perissodactyla, Tapiridae), outside conservation areas after 30 yea…
Intense hunting pressure and habitat loss have significantly reduced populations of the lowland tapir Tapirus terrestris in southern Brazil. Remaining individuals inhabit mainly l…
Feeding ecology of the Green-cheeked Parakeet, Pyrrhura molinae (Psittaciformes, Psittacidae), in a subtropical forest …
Although there are studies on certain aspects of the feeding ecology of several species of Neotropical parrots, there is scarce ecological information about Pyrrhura molinae – a P…
An annotated list of the reptiles of the highland grassland of Tandilia Mountains, Argentina
The study of biodiversity is a fundamental step to develop conservation strategies. Reptile populations are immersed in a global crisis, due to anthropic disturbances. Almost the …
Natural regeneration in a mixed ombrophilous forest remnant in southern Brazil
The study of forest regeneration allows the diagnosis of conservation status of fragments and estimating population parameters that are essential for management projects. This stu…
An update of the amazon prawn (Macrobrachium amazonicum) distribution in the low course of the São Francisco river (nor…
The prawn Macrobrachium amazonicum has been considered a successful colonizing species of freshwater environments beyond its native range; however, information on the distribution…
New records and conservation of Passiflora L. (Passifloraceae s.s.) in Rio de Janeiro, Brazil
Passiflora L. belongs to the family Passifloraceae sensu stricto, and comprises 700–750 species. There are approximately 161 known species of the family in Brazil, of which 153 be…
Arinosaster patriciae (Porifera, Demospongiae): new genus and species and the second record of a cave freshwater sponge…
Arinosaster patriciae gen. nov. et sp. nov. is the second continental sponge registered for a subterranean environment (cave habitat) in Brazil and the Neotropical Region. The spo…
Movement distances for four small mammals in two Atlantic forests fragments, Southern Brazil
Animal movement has an important role in individual performance, species reproduction, population demography, and conservation, especially in fragmented landscapes. The distance m…
New records of mammals of the Coffee Region, Central Andes of Colombia using citizen science
The Coffee Region of Colombia is one of the most representative areas of the country due to its cultural appeal. 200 of the 528 mammal species in the country occur in this region.…
What’s on the menu? A presumed attack of Andean bear on a Mountain tapir at the Puracé National Natural Park, Colombia
Two iconic and charismatic species that inhabit the northern Andes of South America are the Andean bear (Tremarctos ornatus) and the Mountain tapir (Tapirus pinchaque). Both speci…
Analysis of abiotic factors associated with foam nests of Cuvier’s foam froglet (Physalaemus cuvieri) in southeastern B…
Climate change may have significant impacts on amphibian diversity due to alterations in microhabitat conditions where these species occurs. Understanding the abiotic factors asso…
Number, density and distribution of Rufous-banded Owl Ciccaba albitarsis (Strigiformes, Strigidae) in a cloud forest
The aim of the research was to determine the number and distribution of the Rufous-banded Owls Ciccaba albitarsis in a cloud forest on the northern slopes of the Andes. The study …
Updating the distribution of Vampyrum spectrum (Chiroptera, Phyllostomidae) in Colombia: new localities, potential dist…
The Spectral Bat (Vampyrum spectrum) is classified as Near Threatened by the International Union for Conservation of Nature. In Colombia, it has not been included in any risk asse…
Vegetation structure as the main source of variability in scorpion assemblages at small spatial scales and further cons…
Even at the local scale, environmental changes due of anthropogenic actions represent a source of disturbance in terrestrial ecosystems, forcing species to respond according to th…
Bat assemblage at a high diversity locality in the Atlantic Forest
The Estação Biológica Santa Lúcia (EBSL) is one of the oldest reserves in Brazil, used as a research site since 1939 by the naturalist Augusto Ruschi. It is an Atlantic Forest fra…
Notes on the natural history of the Stump-tailed Porcupine, Coendou rufescens (Rodentia, Erethizontidae), in Colombia
Porcupines of the genus Coendou are among the least studied mammals in the Neotropics. The Stump-tailed Porcupine, Coendou rufescens, is distributed in the Andean region from Colo…
Re-discovery of Catasetum mojuense (Orchidaceae: Catasetinae), a poorly-known Amazonian species
The re-discovery of Catasetum mojuense A.T. Oliveira & J.B.F. Silva (Orchidaceae), an Amazonian species described in 1999 from the State of Pará, Brazil, is reported. In addition …
Anurofauna of a remnant of Atlantic Forest in northeast Brazil
Studies on spatial occupation are fundamental to understand amphibian communities. The aim of this study was to record information on the spatial distribution of anurans in the Te…
Wildlife associated with burrows of Dolichotis patagonum in central west Argentina
Community structure is strongly influenced by positive interactions between species. Detecting and describing these interactions is essential in the study of communities. Dolichot…
Aberrant plumage records in Southern Lapwing Vanellus chilensis (Aves: Charadriidae)
Aberrant colored plumages in birds are not uncommon events in nature. These cases might be associated with genetic, environmental and nutritional factors, the presence of parasite…
Filling gaps in the southern range of the endangered snake Philodryas agassizii: new localities in Tandilia highland gr…
Philodryas agassizii is an endangered snake of shrubland and grasslands well preserved in Argentina, Paraguay, Brazil, and Uruguay. In the southeastern area of its range, this sna…
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