Results 11 to 20 of about 1,005 (149)

Histological analysis of the tongue, esophagus and crop of Southern Carcará (Polyborus plancus)

open access: yes, 2021
The Southern Caracara is a bird of prey, of the family Falconidae, inhabits all the Brazilian territory, they are omnivorous birds adapted for hunting.
V. Franzo   +8 more
semanticscholar   +1 more source

Contaminants in the southern tip of South America: Analysis of organochlorine compounds in feathers of avian scavengers from Argentinean Patagonia.

open access: yesEcotoxicology and Environmental Safety, 2015
The aim of this study was to assess the exposure to organochlorine compounds (OC) in 91 primary wing feathers of avian scavengers, Turkey vulture (Cathartes aura), American black vulture (Coragyps atratus) and Southern crested caracaras (Polyborus ...
E. Martínez-López   +5 more
semanticscholar   +1 more source

Spatial distribution of Triatominae populations (Hemiptera: Reduviidae) in Mauritia flexuosa palm trees in Federal District of Brazil [PDF]

open access: yes, 2004
Para determinar e analisar a distribuição espacial de populações silvestres de triatomíneos no Distrito Federal, Brasil, foram amostradas 150 palmeiras da espécie Mauritia flexuosa em seis veredas de diferentes paisagens (silvestre, rural e periurbana ...
Cuba, César Augusto Cuba   +5 more
core   +2 more sources

Characterization of chromosome structures of Falconinae (Falconidae, Falconiformes, Aves) by chromosome painting and delineation of chromosome rearrangements during their differentiation [PDF]

open access: yes, 2008
Karyotypes of most bird species are characterized by around 2n = 80 chromosomes, comprising 7–10 pairs of large- and medium-sized macrochromosomes including sex chromosomes and numerous morphologically indistinguishable microchromosomes.
GRIFFIN Darren K   +6 more
core   +2 more sources

Risk factors and presence of antibodies to Brucella canis and smooth Brucella in dogs from the municipality of Araguaína, Tocantins, Brazil

open access: yes, 2013
The aim of this survey was to verify the occurrence of anti- Leptospira spp. antibodies in captive animals in the Parque Zoobotânico Arruda Câmara, Joao Pessoa, Paraiba State, Northeastern Brazil.
J. A. Santana   +9 more
semanticscholar   +1 more source

Recuento de aves rapaces por carretera en Argentina central

open access: yesEl hornero, 1995
Durante oct 1992 se realizaron conteos en carretera de rapaces a lo largo de 2230 km, en una región central de la Argentina Fueron detectadas 16 (80%) de las 20 especies presentes (incluyendo jotes). La especie más común fué el Chimango Milvago chimango (
A. Travaini   +4 more
semanticscholar   +1 more source

Wing myology of Caracaras (Aves, Falconiformes): muscular features associated with flight behavior [PDF]

open access: yes, 2018
Caracaras (Aves, Falconiformes, Falconidae) are Neotropical diurnal raptors that belong to the subfamily Polyborinae. The forelimb myology of this group has not been comprehensively studied or compared with that of other Falconidae.
Mosto, María Clelia   +1 more
core  

Aves en un humedal marino del sur de Chile

open access: yes, 2010
This study evaluates the influence of tidal cycle, time-of-day and season on the diversity of a bird assemblage in the marine wetland of Lenca Bay in Reloncavi Sound, southern Chile.
Jaime A. Cursach   +2 more
semanticscholar   +1 more source

Sexagem de Aves Silvestres sem Dimorfismo Sexual via Tomografia Por Ressonância Magnética Nuclear. [PDF]

open access: yes, 2011
bitstream/CNPDIA/10462/1/CiT11_2000 ...
BERNARDES FILHO, R.   +5 more
core  

Descrição de sistemas de criação tradicionais de ovinos da Nhecolândia, Pantanal, MS. [PDF]

open access: yes, 2013
Este trabalho tem como objetivo principal resgatar o conhecimento empírico sobre o sistema de criação tradicional de ovinos no Pantanal, caracterizando-o e descrevendo-o a partir de oito fazendas da sub-região da Nhecolândia, Pantanal, MS.
ARAUJO, M. T. B. D.   +4 more
core  

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