A5008337777- Avian ecology and behavior
- Ecology and Vegetation Dynamics Studies
- Plant and animal studies
- Genetic diversity and population structure
- Wildlife Ecology and Conservation
- Species Distribution and Climate Change
- Animal Behavior and Reproduction
- Fish biology, ecology, and behavior
- Wildlife Conservation and Criminology Analyses
- Identification and Quantification in Food
- Bird parasitology and diseases
- Fish Ecology and Management Studies
- Genetic and phenotypic traits in livestock
- Chromosomal and Genetic Variations
- Forest ecology and management
- Wildlife-Road Interactions and Conservation
- Animal Ecology and Behavior Studies
- Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
- Evolution and Paleontology Studies
- Environmental and biological studies
- Animal Vocal Communication and Behavior
- Fire effects on ecosystems
- Marine and fisheries research
- African Botany and Ecology Studies
- Amphibian and Reptile Biology
Universidade Federal de São Carlos
2015-2024
Universidade de Sorocaba
2015-2024
The Ohio State University
2004
Scientists have long been trying to understand why the Neotropical region holds highest diversity of birds on Earth. Recently, there has increased interest in morphological variation between and within species, how climate, topography, anthropogenic pressures may explain affect phenotypic variation. Because data are not always available for many species at local or regional scale, we limited our understanding intra- interspecies spatial Here, present ATLANTIC BIRD TRAITS, a set that includes...
Understanding the mechanisms by which tropical forest fragmentation can affect persistence of species and populations is scientific practical interest. However, nest survival has been one least addressed potentially harmful effects associated with habitat fragmentation, studies involving predator’s identification are still underdeveloped. The Pernambuco Endemism Center (PEC) part Atlantic Forest located north São Francisco River, in northeastern Brazil, where large tracts no longer exist a...
Abstract Determining the genetic structure of tropical bird populations is important for assessing potential effects future habitat fragmentation and testing hypotheses about evolutionary mechanisms promoting diversification. Here we used 10 microsatellite DNA loci to describe levels differentiation five lek‐mating blue manakin ( Chiroxiphia caudata ), sampled along a 414‐km transect within largest remaining continuous tract highly endangered Atlantic Forest in southeast Brazil. We found...
Large forested tracts are increasingly rare in the tropics, where conservation managers often presented with challenge of preserving biodiversity small and isolated fragments. The Atlantic Forest is one world's most important hotspots, jeopardized by habitat loss fragmentation. Pernambuco Endemism Center (PEC) degraded regions because dramatic levels deforestation, fragmentation, ongoing species losses, studies on distribution configuration PEC's forest cover necessary. However, across...
Embora os estudos de frugivoria e dispersão sementes sejam importantes para a realização planos manejo recuperação ambientes degradados, pouco tem sido pesquisado sobre o assunto no cerrado brasileiro. Neste trabalho são apresentados aspectos da das Ocotea pulchella Mart. (Lauraceae) por aves. Treze espécies aves foram registradas consumindo frutos O. em 72 horas observação focal, entre meses agosto outubro 1999, numa área região central do estado São Paulo (21º58' S, 47º52' W), Brasil. As...
Seed-finches are small-sized Neotropical granivorous birds characterized by extremely strong and thick beaks. Among these birds, the Great-billed Seed-Finch Sporophila maximiliani has been selectively intensively trapped to extent that become one of most endangered bird species in South America, yet its taxonomy remains complex controversial. Two subspecies have recognized: S. m. (Cabanis, 1851), mainly from Cerrado central parkesi Olson (= Oryzoborus magnirostris), northeastern America....
ABSTRACT Here we report massive seed predation of Pseudobombax grandiflorum (Bombacaceae) by Botogeris versicolurus (Psittacidae) in a forest fragment Brazil. The intensity was very high when compared to other studies continuous forest, perhaps resulting from scarcity resources such areas. This may limit the range parrot's diet few plant species. It suggests that Psittacidae be important for conservation some plants fragments.
The Double-collared Seedeater (Sporophila caerulescens) is the most common seedeater in southern South America. Because information on its breeding biology mostly limited to descriptions of nests and eggs, I studied reproductive southeastern Brazil. found 41 active during seven seasons (1997–2003). Nesting occurred from December May. All incubation contained two eggs were laid consecutive days, started morning female last egg. Incubation nestling periods 12 12–15 respectively. Only females...
Several plant characteristics, such as fruit production, nutrient reward, secondary compounds, and color display, affect choice by birds. On the other hand, several bird attributes their efficiency dispersers. Here we investigate ornithochoric seed dispersal of Pera glabrata Schott (Euphorbiaceae) in a cerrado fragment southeastern Brazil. A set attributes, frequency visits, number diaspores eaten, time spent foraging, methods taking handling agonistic interactions were analyzed order to...
Identification of the predators bird nests is essential to test ecological and evolutionary hypotheses make practical management decisions. A variety nest monitoring devices have been proposed but many remain difficult set up in field. The aim this study was camera traps as a potential tool predation natural tropical rainforest environment. Specifically, we registered predators, assessed their size range, compared use one two cameras per nest. Of 122 from 24 species, 45 (37%) were...
Recent studies on the impacts of forest fragmentation understory insectivorous birds in Neotropics have highlighted that even narrow linear clearings, such as roads, can affect movements this guild birds. We used playback trials territorial vocalizations to assess three bird species across two unpaved roads bisecting Parque Estadual Carlos Botelho southeast Brazil, located within one largest remaining continuous Atlantic Forests. Movement patterns varied among species. While Chamaeza...
Small populations of endangered species can be impacted by genetic processes such as drift and inbreeding that reduce population viability. As such, conservation analyses assess levels variation gene flow provide important information for managing threatened species. The São Paulo Marsh Antwren (Formicivora paludicola) is a recently-described critically bird from State (Brazil) whose total estimated around 250–300 individuals, distributed in only 15 isolated marshes metropolitan region. We...
The knowledge of the diversity, richness, and distribution tropical organisms are poorly understood, a plethora new species still being described even among groups considered well-known. As result, this inadequate biodiversity has hampered species' conservation. Thus, sampling efforts must be urgently optimized to survey important unique areas better allocated scarce conservation resources, especially in developing countries that harbor much world biodiversity. We assessed most relevant...
Identification of the predators bird nests is essential to test ecological and evolutionary hypotheses make practical management decisions. A variety nest monitoring devices have been proposed but many remain difficult set up in field. The aim this study was camera traps as a potential tool predation natural tropical rainforest environment. Specifically, we registered predators, assessed their size range, compared use one two cameras per nest. Of 122 from 24 species, 45 (37%) were...
The conservation of many endangered taxa relies on hybrid identification, and when hybrids become morphologically indistinguishable from the parental species, use molecular markers can assign individual admixture levels. Here, we present puzzling case extinct in wild Alagoas Curassow (Pauxi mitu), whose captive population descends only three individuals. Hybridization with Razor-billed (P. tuberosa) began more than eight generations ago, uncertainty affects whole population. We applied an...
Abstract A pivotal debate on biodiversity conservation is whether the scarce budgets must be invested in critically endangered taxa or those with higher chances to survive due larger population sizes. Addressing fate of extremely bottlenecked an ideal way test this idea, but empirical cases are surprisingly limited. The reintroduction extinct‐in‐the‐wild Alagoas curassow ( Pauxi mitu ) by Brazilian scientists September 2019 added two other known survival bottlenecks only three individuals....
Manakins are small frugivorous birds found in the understory of humid Neotropical forests. Although aspects their complex sexual displays have been addressed various studies, nesting biology is poorly documented. The Blue Manakin (Chiroxiphia caudata) characterized by a cooperative courtship display but knowledge about its reproduction limited to descriptions nest and eggs. We investigated 36 active nests during two breeding seasons well-preserved stretch Atlantic Forest southeastern Brazil....
Nest predation is one of the main causes bird mortality, and development nest anti‐predatory defenses can mold many aspects evolution. Here we report that bats attack nests in incubation nestling stages Atlantic Forest, Brazil. Although other types interactions between birds have been reported, including adult individuals co‐occurrence cavity nests, may underestimated as predators. The combination flying olfactory skills makes functionally different compared to predators, opening new...