Results 81 to 90 of about 1,229 (111)

Inter-generic relationships of the crows, jays, magpies and allied groups (Aves: Corvidae) based on nucleotide sequence data

open access: yes, 2005
Phylogenetic relationships were studied based on DNA sequences obtained from all recognized genera of the family Corvidae sensu stricto. The aligned data set consists 2589 bp obtained from one mitochondrial and two nuclear genes.
Ericson, Per G P,   +3 more
core   +1 more source

A REVIEW OF CASES OF GEOPHAGY IN CORVIDS (AVES: CORVIDAE) AND A NEW REPORT OF GEOPHAGY IN AZURE JAY (Cyanocorax caeruleus) [PDF]

open access: yes, 2020
Geophagy is the intentional ingestion of soil or sediments by different animal species. In birds this behaviour has been widely reported in Psittacidae and Columbidae, but less so for other families, such as Corvidae. The goal of the present study was to
Willrich, Guilherme
core  

Gastrointestinal Helminths of Magpies (Pica pica), Rooks (Corvus frugilegus) and Carrion Crows (Corvus corone) in Mazandaran Province, North of Iran

open access: yesIranian Journal of Parasitology, 2011
Background: Corvidae is a cosmopolitan family of oscine birds including crows, rooks, mag­pies, jays, chough, and ravens. These birds are migratory species, especially in the shortage of foods, so they can act like vectors for a wide range of ...
A Halajian   +6 more
doaj  

Seven new species of cestode parasites (Neodermata, Platyhelminthes) from Australian birds

open access: yesEuropean Journal of Taxonomy, 2018
Cestodes (Platyhelminthes) from Australian birds from the South Australian Museum collections were studied with a focus on common endemic terrestrial hosts.
Jean Mariaux, Boyko B. Georgiev
doaj   +1 more source

Bulbuls and crows provide complementary seed dispersal for China’s endangered trees

open access: yesAvian Research, 2017
Background Different functional frugivores generally exhibit unequal contributions, both in terms of quantity (seed removal) and quality (seedling recruitment), to effective seed dispersal of plant species.
Bing Bai, Ning Li, Xinhai Li, Changhu Lu
doaj   +1 more source

THE REACTION OF MEMBERS OF THE CORVIDAE TO THE DEATH OF AN INDIVIDUALS OF THEIR SPECIES

open access: yes, 2022
Було помічено, що європейська сорока (Pica pica) реагує на мертвих особин свого виду скупченням та какофонією. Біля особини, яку вбив яструб-тетеревятник (Accipiter gentilis), зібралося від 10 до 15 сорок. Описані різні види реагування на загиблих особин
Брезгунова, О. О.
core  

Blue Corvidae 2025

open access: yes
PRISMATIC MELANCHOLY was constructed with anti-capitalist collective care in mind and an understanding that collective work must start with the self.
Corvidae Blue
core  

The distribution and abundance of the rook corvus frugilegus L. as influenced by habitat suitability and competitive interactions. [PDF]

open access: yes, 1998
Rooks (Corvus frugilegus) are colonially breeding corvids found in most agricultural landscapes. Colonies in the County Durham area tend to be clustered at distances up to 500 m, but otherwise show little pattern in terms of spacing or size.
Griffin, Larry Roy, Griffin, L.R.
core  

Systematic notes on Asian birds. 45. Types of the Corvidae

open access: yes, 2004
A list of about 280 names applied to Asian forms of species of crows (family Corvidae) is presented. This list provides information on the whereabouts of type specimens. Where our information does not include reliable data we provide notes to explain the
Loskot, V.   +8 more
core  

AI in art education : Areas of use in upper secondary school

open access: yes, 2023
Detta examensarbete skrevs vårterminen 2023 på institutionen för bild och slöjdpedagogik på Konstfack. Studien har sin utgångspunkt i att utforska bildgenereringsprogrammet Midjourney för att försöka förstå hur den kan användas i potentiellt ...
Corvidae, Alexander
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