Neotropical Biology and Conservation

Electrostrymon denarius is the first mushroom-feeding butterfly caterpillar discovered in the New World. It belongs to the Calycopidina, a subtribe of lycaenid butterflies whose c…

To date, records of predation on Baird’s tapir (Tapirus bairdii) by jaguars (Panthera onca) were anecdotal and did not allow for differentiation regarding whether the animal had b…

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 …

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…

Community structure is strongly influenced by positive interactions between species. Detecting and describing these interactions is essential in the study of communities. Dolichot…

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…

In Central America, Vampyressa is represented by two species, Vampyressa elisabethae and V. thyone. The latter is the only representative of the genus in Honduras and the most rec…

Fragmentation and loss of natural habitats has reduced biodiversity in neotropical ecosystems. The restinga, a phytophysiognomy of the Atlantic Forest, has lost much of its origin…

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…

Despite advances in recent decades, the Atlantic Forest of northeastern Brazil is still one of the least studied regions of the country, regarding, for instance, the bat fauna. Th…

The Rivulidae fish family, which includes Neotropical seasonal killifishes, is one of the most diverse taxonomic groups in the aquatic systems of Caatinga in Brazil. Cynolebias an…

Paso Centurión is one of the most diverse areas of Uruguay. It is legally protected at local and national level, however, there are different interests competing for its land use …

As urban areas expand, some species of diurnal birds of prey occupy these habitats, and many establish viable populations. The objectives of this study were to: (1) survey the spe…

Ageneiosus inermis is the largest species of the family Auchenipteridae (Siluriformes) and has a primarily piscivorous diet, although no comprehensive data are available on the ha…

Even though there have been reports of anomalies in the colouration of several species of neotropical mammals, these events are considered to be rare within natural populations. H…

Clytoctantes alixii is a bird that lives on the edges of old-growth, secondary and cleared forests undergoing regeneration and presents a distribution restricted to Colombia and V…

Defaunation, the decline in animal species and populations, is biased towards large-bodied animals that have unique roles as dispersers of large seeds. However, it is speculated t…

In this work, the microhabitat use and activity patterns of two lizard species with sympatric distribution were evaluated in a dry forest fragment within the department of Sucre, …

In this paper, we analyze the richness, abundance, diversity and trophic guilds in a mine (La Mina) and two caves (El Apanguito and Cerro Huatulco) in the municipalities of Pluma …

The widespread occurrence of marine gastropods in coastal regions is a straightforward evidence of successful adaptation to different environments. In the Caribbean Sea, as one of…

Bats represent a key group in tropical forest dynamics, given their participation in ecological interactions that lead the regulation of these forests. They are also sensitive to …

Among the various applications of phytosociology, the evaluation of natural regeneration is of great importance, mainly because it provides insights for ecological restoration. Th…

Twenty-nine Pacarina (Hemiptera: Cicadidae) adults, 12 males and 17 females, emerged from the soil of a potted Dracaena trifasciata (Asparagaceae) in Arraiján, Republic of Panama,…

Unidades de conservação representam a principal estratégia para a preservação e recuperação de recursos naturais brasileiros. Para nortear o seu planejamento e gestão, informações…

A perereca Sphaenorhynchus canga foi recentemente descrita, com distribuição geográfica restrita, na borda leste do Quadrilátero Ferrífero em Minas Gerais. A espécie foi originalm…

We investigated the diet composition of Natalus mexicanus in a semi-evergreen forest in the state of Oaxaca, in the southeast of Mexico, using fecal analysis. The diet was compose…

Dendrophidion boshelli is a poorly known and endemic snake species from the Middle Magdalena river valley in Colombia. It was described in 1944 based on a single specimen from the…

The collared peccary Pecari tajacu (Artiodactyla, Tayassuidae) is widely distributed and included in the Least Concern (LC) category by the IUCN assessment. However, threats such …

Species are elementary units in community ecology studies. However, sample limitations obstruct the elaboration of accurate faunistic inventories, especially in biodiversity hotsp…

Specimens of Rhabdochona (Rhabdochona) acuminata (Molin, 1860) were collected in Astyanax aff. fasciatus (Cuvier, 1819) from Lake Guaíba, municipalities of Guaíba (30°08.28'S, 51°…

O processo de expansão florestal tem sido observado em regiões de mosaicos de campo-floresta no Sul do Brasil, especialmente em campos excluídos de fogo e pastejo. Outros fatores …

The flora of the Rupestrian Savannah (Cerrado Rupestre) is composed of widely distributed species and endemic species from high altitude rocky outcrops. The aim of this study was …

Auchenipterichthys punctatus é uma espécie de peixe muito abundante durante o período de águas baixas no rio Cuiuni, sendo objetivo deste estudo investigar a alimentação de A. pun…

We analyzed the feeding habits and the endozoochoric seed dispersal of six species of Neotropical small rodents in a riparian forest in the Cerrado biome at the central portion of…

In Ecuador, the presence of melanistic individuals of Southern Tamandua Tamandua tetradactyla Linnaeus (1758) has been recognized but there has not been a formal report written ab…

This study updates the introduction of non-native fishes Nannostomus beckfordi, Aphyocharax anisitsi, Knodus moenkhausii, Moenkhausia costae, Ancistrus multispinis and Astronotus …

Considerando que estudos sobre a sobrevivência e o crescimento das espécies nativas via semeadura direta nas savanas brasileiras ainda são escassos, este trabalho acrescenta infor…

Bird vocalizations might be used for specific recognition, territorial defense, and reproduction. Bioacoustic studies aim to understand the production, propagation and reception o…

We report the first record of Gambusia holbrooki Girard, 1859 at elevations above 1,615 m in the Puna Austral, Provincia Catamarca, Argentina. This fish was introduced by intentio…

Environmental disturbance, as a result of land use change and/or different agricultural practices, may have negative impacts on the richness and abundance of edaphic mites. The ob…

In 2019 we captured specimens of Oreochromis mossambicus Peters, 1852 from Batu Batu River, an estuary river on Kangean Island (Indonesia), a conservation area in the Java Sea. Th…

La región fitogeográfica del Espinal en Argentina está críticamente amenazada, ya que gran parte de su territorio históricamente cubierto por bosque fue convertido a cultivos. Con…

Records of malformation in amphibians have significantly increased on a global scale. The main causes of malformations are linked to environmental contaminants, and records in pre…

The knowledge of the temporal and spatial dynamics in the composition of fish fauna makes it possible to identify patterns of occupation of ecosystems, providing a basis for evalu…

The Cerrado is the second largest biome in Brazil and considered a global biodiversity hotspot due to its high species richness, elevated amount of endemisms, and several anthropo…