Invasion success of a global avian invader is explained by within-taxon niche structure and association with humans in the native range [PDF]
, 2015 Aim To mitigate the threat invasive species pose to ecosystem functioning, reli- able risk assessment is paramount. Spatially explicit predictions of invasion risk obtained through bioclimatic envelope models calibrated with native species distribution ...
Araújo +59 more
core +1 more source
A critique of avian CHD-based molecular sexing protocols illustrated by a Z-chromosome polymorphism detected in auklets [PDF]
, 2001 The sexes of non-ratite birds can be determined routinely by PCR amplification of the CHD-Z and CHD-W genes. CHD -based molecular sexing of four species of auklets revealed the presence of a polymorphism in the Z chromosome.
Burke, T. +5 more
core +1 more source
Arquivo Brasileiro de Medicina Veterinária e Zootecnia, 2007 Investigaram-se as diferenças morfológicas da siringe do periquito Touist sp, cinco machos e cinco fêmeas. A traquéia e a siringe foram dissecadas com o auxílio de uma lupa estereoscópia e avaliaram-se o número de anéis, o comprimento da traquéia e da ...
F. Bottino +6 more
doaj +1 more source
A computer vision approach to classification of birds in flight from video sequences [PDF]
, 2015 Bird populations are an important bio-indicator; so collecting reliable data is useful for ecologists helping conserve and manage fragile ecosystems. However, existing manual monitoring methods are labour-intensive, time-consuming, and error-prone.
Appiah, K +4 more
core +1 more source
Sex Determination in Male and Female Melopsittacus undulates using a Morphometric Method
Biosaintifika: Journal of Biology & Biology Education, 2018 Parakeets (Melopsittacus undulates) are classified parrot order Psittaciformes. Parakeets are monomorphic birds whose sex is difficult to be distinguished.
Ibnu Baehaqi +2 more
doaj +1 more source
Open Biology, 2021 In cryo-electron tomography (cryo-ET) of biological samples, the quality of tomographic reconstructions can vary depending on the transmission electron microscope (TEM) instrument and data acquisition parameters.
James M. Parkhurst +8 more
doaj +1 more source
Must naive realists be relationalists? [PDF]
, 2019 Relationalism maintains that perceptual experience involves, as part of its nature, a distinctive kind of conscious perceptual relation between a subject of experience and an object of experience.
Alston W. P. +9 more
core +1 more source
An unusual presentation of a case of human psittacosis [PDF]
, 2018 Background: Chlamydia psittaci is a gram-negative, obligate intracellular organism. Birds are the main reservoir, but also non-avian domestic animals and humans can be infected.
Boelens, Jerina +7 more
core +3 more sources
Journal of Threatened Taxa, 2016 Red-breasted Parakeet is one among the most widespread parakeets of the world. The ‘Near Threatened’ bird has been in pet trade for long and is already known as a feral bird from major cities in India.
Linda John +3 more
doaj +1 more source
Nest niche overlap among the endangered Vinaceous-breasted Parrot (Amazona vinacea) and sympatric cavity-using birds, mammals, and social insects in the subtropical Atlantic Forest, Argentina [PDF]
, 2017 Many forest bird species require tree cavities for nesting, and share this resource with a diverse community of animals. When cavities are limited, niche overlap can result in interspecific competition, with negative consequences for threatened ...
Bonaparte, Eugenia Bianca +1 more
core +1 more source