Results 11 to 20 of about 5,088 (175)

Topological and Optical Properties of Passeriformes’ Feathers: Biological UV Reflector Antenna

Optics, 2022
This manuscript explores the topological and optical properties of a Passeriformes bird feather. Inside the feather, the layers of keratin and melanin are responsible for light reflection, transmission, and absorption; notably, the miniature composition ...
P. Singh, M. A. Jalil, P. Yupapin, J. Ali, M. A. Palomino, M. Toledo-Solano, K. Misaghian, J. Faubert, K. Ray, A. Bandyopadhyay, J. E. Lugo   +10 more
doaj   +1 more source

A CRIAÇÃO DE PASSERIFORMES COMO FORMA DE PRESERVAÇÃO AMBIENTAL

Revista Eletrônica Direito e Política, 2014
O presente artigo tem como objeto ANALISAR a importância da criação de passeriformes em cativeiro para a preservação ambiental, procurando-se destacar a efetiva e prática aplicação desta atividade como contribuição ao bem estar ambiental.
Heloise Siqueira Garcia, Denise Schmitt Siqueira Garcia   +1 more
doaj   +1 more source

Interacciones sociales de aves granívoras silvestres frente a comederos experimentales en el matorral semiárido del norte de Chile

Gayana, 2022
Se estudió la expresión de conductas agresivas de aves frente a comederos artificiales con semillas en una región semiárida de Chile. En ocho comederos experimentales cuantificamos 1.118 eventos de interacción social, registrándose 366 conductas ...
Matías Portflitt-Toro, Rene Quispe, Camila P. Villavicencio   +2 more
doaj  

Species traits explaining long-term abundance changes of breeding birds in farmland areas in Álava (N Spain) [PDF]

Munibe Ciencias Naturales
In recent decades, the populations of many common bird species have greatly declined in Europe, particularly in farmland habitats. However, this decline has not affected every species, and to understand the mechanisms behind this interspecific ...
José Antonio Gainzarain, Gorka Belamendia   +1 more
doaj   +1 more source

Structure and function of the vocal repertoire of the Rifleman ( Acanthisitta chloris ), a member of the earliest diverging passerine suborder, Acanthisitti

Journal of Field Ornithology, 2023
Birds communicate primarily using vocal signals. These signals undergo strong selection for effective transmission, which is often critical for survival.
Yen Yi Loo, Ines G. Moran, Ana K. Menzies, Sarah Withers, Margaret C. Stanley, Kristal E. Cain   +5 more
doaj   +1 more source

Mortality by filarial nematodes in passeriformes of species Oryzoborus maximiliani in Brazil Mortalidade por nematódeos filarióides em passeriformes da espécie Oryzoborus maximiliani no Brasil

Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2000
Descreve-se a ocorrência de filariose em passeriformes da espécie Oryzoborus maximiliani (bicudo) mantidos em cativeiro. Os sinais clínicos incluiram insuficiência respiratória e prostração, evoluindo para decúbito lateral e morte.
N.R.S. Martins, J.S. Resende, M.A. Jorge, R. Serakides, C.M. Souza, S.H.A. Silva   +5 more
doaj   +1 more source

Avifauna Diversity of Darmalak Ali Kach Game Reserve at District Kohat, Khyber Pakhtunkhwa, Pakistan

Journal of Bioresource Management, 2020
Darmalak Ali Kach Game Reserve (District Kohat, Khyber Pakhtunkhwa, Pakistan), has variety of habitats. Field survey was conducted using count method; block method etc. The total number of individuals counted during study was 528.
Gauhar Zaman, Naveed ullah Atif, Nazim Ali , Hamid Ullah   +3 more
doaj   +1 more source

Comparative mitogenomics of the genus Motacilla (Aves, Passeriformes) and its phylogenetic implications [PDF]

ZooKeys, 2022
The genus Motacilla belongs to Motacillidae (Passeriformes), where mitochondrial features are poorly understood and phylogeny is controversial. Whole mitochondrial genome (mitogenome) data and large taxon sampling are considered to be ideal strategies to
Chao Yang, Xiaojuan Du, Yuxin Liu, Hao Yuan, Qingxiong Wang, Xiang Hou, Huisheng Gong, Yan Wang, Yuan Huang, Xuejuan Li, Haiyan Ye   +10 more
doaj   +3 more sources

A Preliminary Study on Population of Some Passeriformes at Marala Head

Journal of Bioresource Management, 2019
Passerines are perching birds of order Passeriformes representing half of the diversity of birds (Sibley and Monroe, 1990). There are total 6,600 species identified under 140 families declaring Passeriformes as the largest order of birds.
Zahid Bhatti, Fakhra Nazir, Asad Ghufran
doaj   +1 more source

The characteristic of corvus pectoralis’s complete mitochondrial genome and phylogeny analysis

Mitochondrial DNA. Part B. Resources, 2019
The Collared Crow (Corvus pectoralis), in the order Passeriformes, it widely distributed in large areas encompassing China and northern Vietnam. It is a vulnerable bird that is of international concern. In this study, we first sequenced and described the
Tian Huang, Libo Zhou, Zhenggang Xu
doaj   +1 more source