10 research outputs found

    COMPORTAMENTO PILHADOR DO BEIJA-FLOR CHIFRE-DE-OURO (Heliactin bilophus) (AVES: TROCHILIDAE) EM DUAS ESPÉCIES DE PLANTAS DOS GÊNEROS Amphilophium KUNTH (BIGNONIACEAE) E Sinningia Nees (GESNERIACEAE)

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    The Horned Sungem Hummingbird (Heliactin bilophus) is a typical savannah hummingbird inhabiting opened phytophysiognomies in areas of Cerrado, Caatinga, highlands and plains with low vegetation.  There are few studies about its feeding habits and little known about its behavior patterns. Here we report the bird feed behavior on two plant species Amphilophium elongatum and Sinningia sp. Trough illegitimate visits to the floral nectary, H. bilophus obtained food acting as a nectar robber. This foraging strategy included new sources of food for the hummingbird and could represent negative effects to the related plant species.Keywords: bird-flower interactions; food resources; floral visitor.O beija-flor chifre-de-ouro (Heliactin bilophus) é uma espécie tipicamente savânica que habita fitofisionomias abertas em áreas de Cerrado, Caatinga, regiões serranas e chapadas com vegetação baixa.  Existem poucos estudos sobre sua alimentação e pouco se sabe sobre seus padrões comportamentais. Aqui relatamos o comportamento alimentar da ave em duas espécies vegetais Amphilophium elongatum e Sinningia sp. Através de visitas ilegítimas ao nectário floral, H. bilophus obteve alimento atuando como pilhador. Esta estratégia de forrageamento inclui novas fontes alimentares para H. bilophus e pode representar efeitos negativos para as espécies vegetais relacionadas.Palavras-chave: interação ave-flor, recurso alimentar, visitante floral

    DOCUMENTED RECORD OF A MIGRATING EASTERN SLATY THRUSH (Turdus subalaris) (TURDIDAE, PASSERIFORMES) IN WESTERN MATO GROSSO STATE, BRAZIL

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    O sabiá-ferreiro (Turdus subalaris) possui distribuição na região meridional da América do Sul, desde a Argentina, Paraguai e Bolívia até o Sudeste e Sul do Brasil. Durante o inverno no continente, realiza movimentos migratórios pouco conhecidos em direção a áreas de ecótono entre a Amazônia e o Cerrado, com poucas informações sobre suas áreas de invernada no Estado de Mato Grosso. Nesse estudo relatamos um registro documentado da espécie para a bacia hidrográfica do Alto Guaporé oeste de Mato Grosso, através do método de captura com redes de neblina. Dessa maneira, apresentamos um registro até então inédito da espécie para a região do município de Vila Bela da Santíssima Trindade e fornecemos informações para auxiliar a compreensão dos pontos de invernada da espécie, assim como o entendimento de seu ciclo anual.Palavras-chave: Migração austral, invernada, aves, Vila Bela da Santíssima Trindade.The Eastern Slaty Thrush (Turdus subalaris) occurs in the meridional parts of South America, from Bolivia Southward to Argentina, Paraguay and South and Southeastern Brazil. During the winter on the continent, it performs migration little known toward areas of ecotone between Amazon and Cerrado, with little information on their area of wintering in the Mato Grosso state. In this study we report on a record documenting the species for the Alto Rio Guaporé basin, Western Mato Grosso, based on a mist-netted individual. We present a record until now unpublished of the species in the region of Vila Bela da Santíssima Trindade and contribute to the knowledge of the species’ wintering range and their annual cycle.Keywords: Austral migration; wintering; birds; Vila Bela da Santíssima Trindade

    Aves de paisagem rural na região Centro-oeste do estado de Minas Gerais, Brasil

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    In the Cerrado biome the areas are predominantly private. Most legally protected environments are in rural landscapes, thus implying changes in the use of these environments and conservation of biological groups, such as avifauna. In this paper we investigate bird assemblages from a rural landscape, based on samplings in private properties located in the Cerrado, Midwest region of the state of Minas Gerais, Brazil. We report a total of 143 bird species, about 65% of them being classified as less frequent or infrequent. The most representative trophic guilds were Insectivorous and Omnivorous. One species (Aratinga auricapillus) is classified in the category near threatened. Three species are endemic to the Cerrado, such as Antilophia galeata, which is restricted to Riparian Forests. Two species, namely Baryphthengus ruficapillus and Hemithraupis ruficapilla, are endemic to the Atlantic Forest. We observed that the most sensitive species recorded during the study use the environments present in the protection area. Private areas legally protected in altered environments become unique refuges for species dependent on natural areas. However, these environments suffer strong anthropogenic pressure. Our results underscore the importance of legally protected areas in private properties for the maintenance of several bird species.Keywords: private protected areas, permanent preservation area, legal reserve, community structure, ornithological inventory, hotspot.No bioma Cerrado, as áreas são predominantemente privadas. Grande parte dos ambientes legalmente protegidos está em paisagens rurais, fato que implica em mudanças do uso desses ambientes e na conservação de grupos biológicos, como a avifauna. Neste artigo, avaliamos a assembleia de aves de uma paisagem rural com base em amostragens realizadas em propriedades privadas situadas no Cerrado, Centro-oeste de Minas Gerais, Brasil. Um total de 143 espécies de aves foram registradas, sendo cerca de 65% dessas classificadas como pouco frequente ou infrequente. Uma espécie (Aratinga auricapillus) encontra-se classificada na categoria de quase ameaçada. Três espécies são endêmicas do Cerrado, entre as quais destaca-se Antilophia galeata, ave restrita a matas ciliares. Duas espécies, Baryphthengus ruficapillus e Hemithraupis ruficapilla, são endêmicas da Mata Atlântica. Observamos que as espécies mais sensíveis registradas durante o estudo utilizam fragmentos presentes nas áreas protegidas. Áreas privadas legalmente protegidas em ambientes alterados tornam-se refúgios únicos para espécies dependentes de áreas naturais. No entanto, esses ambientes sofrem forte pressão antrópica. Os resultados aqui apresentados destacam a importância das áreas legalmente protegidas em propriedades privadas para a manutenção de várias espécies de aves.Palavras-chave: áreas privadas protegidas, área de preservação permanente, reserva legal, estrutura da comunidade, levantamento ornitológico, hotspot

    Birds of the Pantanal floodplains, Brazil: historical data, diversity, and conservation

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    The Pantanal floodplains of Brazil are a region of rich biodiversity. To date, the true richness of the Pantanal avifauna has not been explored satisfactorily caused by a lack of studies in the region and, especially, by the divergence of opinion among the works published by various authors on the many species found in the region. This is due to the lack of criteria in examining records, both with regard to the reliability of the identifications and in the precise geographical allocation. Therefore, in the study, we collage findings from various studies and records created by us in the last few decades from 199 distinct locations to produce a list of birds in the Pantanal floodplains. We grouped the results into three lists: primary, secondary, and tertiary. We found that the avifauna of the Pantanal floodplain is composed of a total of 617 species, of which 571 (92%) have supporting records of occurrence (primary list) and 46 still lack documentation (secondary list). The number of species listed here for the Pantanal floodplain represents 32% of all avifauna known to the Brazilian territory. This reflects the importance of the biome, as part of the national territory, for the maintenance of a meaningful avifaunistic richness. Migratory birds (n = 183), notably northern ones (n = 43), are among the main players involved in ecological processes of nutrient cycling and dispersion of important pathogens between the two continents. With regard to conservation, 25 species are included in some category of threat in the lists of threatened species with global extinction. We hope that our list will help future researchers a more definitive approach when researching the avian fauna in this bountiful region

    Main trends and gaps in studies for bird conservation in the Pantanal wetland

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    Birds are considered one of the most well-known groups of animals in the Pantanal, playing an important ecological role in wetland ecosystems. Our aim was to identify the main themes and gaps in current knowledge of these birds, considering thirty years of scientific research to direct future studies. We performed a scientometric analysis based on five platforms with the search words “Aves” and “Pantanal” as well as “Bird” and “Pantanal”. We identified 145 scientific studies, with themes of ecology (64), conservation (23), health (17), fauna (15), genetics (12), geographic distribution (7), and environmental education (7). The number of publications has increased significantly over the years. However, the focus is predominantly on certain Pantanal regions, such as the municipalities of Corumbá in Mato Grosso do Sul state and Poconé in Mato Grosso state. Anodorhynchus hyacinthinus and Mycteria americana are among the species with the largest number of studies in the Pantanal, with 12 and 11 papers, respectively. We highlighted the need for new studies in regions such as the north-west and themes such as threatened species and ecosystem services. Integrated knowledge and interdisciplinary approaches can be useful in strategic decision-making and more effective for bird conservation in wetlands

    Birds of the Ramsar site Estação Ecológica de Taiamã and buffer zone, Pantanal wetlands, Brazil

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    The Estação Ecológica de Taiamã (EET) is one of the Ramsar sites in the Pantanal wetlands of Brazil. We present an annotated list of bird species recorded between 2015 and 2018, along with a compilation of existing data for this area. In our sampling, 207 species were recorded, with 76% documented. We have the first record of Chlidonias niger (Linnaeus, 1758) for the Pantanal and Central region of Brazil. Another 30 species are new records for EET, such as the migrant Hirundo rustica Linnaeus, 1758. The general list comprises 24 orders, 60 families, and 278 species, of which 160 were assigned to the primary list and 118 to the secondary list. This study will aid in the conservation of biodiversity in the Pantanal. The EET and its buffer zone are important for maintaining biodiversity and expanding its boundaries may further promote the conservation of birds in Brazilian wetlands

    Birds of the Ramsar site Estação Ecológica de Taiamã and buffer zone, Pantanal wetlands, Brazil

    No full text
    The Estação Ecológica de Taiamã (EET) is one of the Ramsar sites in the Pantanal wetlands of Brazil. We present an annotated list of bird species recorded between 2015 and 2018, along with a compilation of existing data for this area. In our sampling, 207 species were recorded, with 76% documented. We have the first record of Chlidonias niger (Linnaeus, 1758) for the Pantanal and Central region of Brazil. Another 30 species are new records for EET, such as the migrant Hirundo rustica Linnaeus, 1758. The general list comprises 24 orders, 60 families, and 278 species, of which 160 were assigned to the primary list and 118 to the secondary list. This study will aid in the conservation of biodiversity in the Pantanal. The EET and its buffer zone are important for maintaining biodiversity and expanding its boundaries may further promote the conservation of birds in Brazilian wetlands

    Birds of Estação Ecológica da Serra das Araras, state of Mato Grosso, Brazil: additions and review

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    We present an inventory, followed by a consolidated list, for the avifauna of Estação Ecológica da Serra das Araras (EESA), state of Mato Grosso, Brazil. In our expeditions, we identified 287 species, 82% of them documented. Of these, 28 species are new records for EESA. Six are threatened, such as Lophornis gouldii (Lesson, 1832). Other noteworthy records include the first documentation of Oxyruncus cristatus Swainson, 1821, for Mato Grosso. The consolidated list includes 458 species, of which 255 were assigned to the primary list and 203 to the secondary list. The significant number of species compiled herein places EESA among the most species-rich protected areas of Brazil, especially in regard to areas not predominantly covered by forest. In terms of species composition, this is a community typical of an ecotone environment, featuring many species characteristic of the Cerrado and the Amazon and some of the Pantanal wetland
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