Results 21 to 30 of about 4,857 (94)

Cytotaxonomic analysis of Brazilian species of the genus Amazona (Psittacidae, Aves) and confirmation of the genus Salvatoria (Ribeiro, 1920)

open access: yes, 1995
The karyotypes of 12 species of Psittacidae of the genus Amazona were studied: A. aestiva, A. amazonica, A. brasiliensis, A. autumnalis, A. farinosa, A. festiva, A. kawalli, A. ochrocephala, A. pretrei, A. rhodocorytha, A. vinacea and A. xanthops.
Caparroz, R. [UNESP]   +1 more
core   +3 more sources

Birds of two protected areas in the southern range of the Brazilian Araucaria forest

open access: yesPapéis Avulsos de Zoologia, 2014
Over 70% of threatened birds in the state of Rio Grande do Sul, south Brazil, inhabit forest environments. The creation and maintenance of protected areas is one of the most important measures aiming to mitigate these problems.
Ismael Franz   +4 more
doaj   +1 more source

Geographic distribution of Amazona pretrei (black circle) and A. tucumana (yellow circles).

open access: yes, 2014
The geographical distribution maps of species were kindly donated by IUCN [71]). Collection localities of samples of Amazona pretrei and A. tucumana analyzed in this study were indicated by colored dots.
Luis O. Rivera (633599)   +4 more
core   +1 more source

Represa del Urugua-í

open access: yesNuestras Aves, 1984
Este artículo no cuenta con un resumen.
Carlos Vigil   +2 more
doaj   +1 more source

Castnia amazona

open access: yes, 2022
amazona (Knop, 1925) (Fig. 10B) “ Castnia Amazona nov. spec. ” Knop, 1925, Entomologische Zeitschrift 39 (11): 42–43. Type material: Described by Knop (1925) from a single male in the collection of Ludwig Pfeiffer (1878–1926) in Frankfurt am Main (
Zilli, Alberto   +2 more
core   +1 more source

New occurrences and noteworthy records on distribution of birds in Santa Catarina, southern Brazil [PDF]

open access: yesBiotemas, 2008
Most ornithological fieldworks in the state of Santa Catarina concentrate on the eastern half of state, while the middle-west lacks information. Between March 2000 and May 2002 a bird inventory was made in the influence areas of the hydroelectric power ...
André Barcellos, Iury Almeida Accordi
doaj  

Distribuição e tamanho populacional de papagaios (Amazona spp.) da Mata Atlântica : uma análise estatística com integração de dados [PDF]

open access: yes, 2021
Abundância e área de distribuição são duas variáveis de estado cruciais para entendimento das populações, bem como para a categorização de ameaça das espécies pela IUCN.
Zulian, Viviane
core   +1 more source

Técnicas etológicas para treino pré-soltura de papagaios-de-peito-roxo (Amazona vinacea), como instrumento de adaptação à vida livre em ambiente selvagem [PDF]

open access: yes, 2013
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Agroecossistemas, Florianópolis, 2013.O Papagaio-de-peito-roxo (Amazona vinacea) é endêmico da mata atlântica e atualmente ameaçado
Pedroso, Joice Reche
core  

Pesquisa e caracterização molecular de patógenos em filhotes de papagaios Amazona sp. de vida livre e recém apreendidos do tráfico [PDF]

open access: yes, 2020
Birds of the order Psittaciformes are among the most threatened birds in Brazil. Of the 86 species recorded, 24 (27.9%) are in the International Union for Conservation of Nature Red List.
Vaz, Frederico Fontanelli
core   +1 more source

The Red-spectacled Amazon Amazona Pretrei At Loro Parque

open access: yes, 1997
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +1 more source

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