Results 41 to 50 of about 232,683 (167)

Long-term Population Survey of the Eastern Imperial Eagle in the Thracian Eco-region (Bulgaria and Turkey)

open access: yesПернатые хищники и их охрана, 2018
The Thrace geographical region comprises territories of three states and covers an area of about 70,000 km2. At the end of the 19th century, the Eastern Imperial Eagle (Aquila heliaca) was widespread throughout the region, occupying a variety of habitats.
Dimitar A. Demerdzhiev   +5 more
doaj  

Spermiogenesis in Birds [PDF]

open access: yesSpermatogenesis, 2014
Current knowledge on avian spermiogenesis, including strengths and weaknesses, has been reviewed. Information on avian spermiogenesis considerably lags behind that in mammals because of the paucity of reports in birds. Spermiogenesis in passerine birds has received even much less attention than in non-passerine birds.
openaire   +2 more sources

Phylogenetic Reclassification of Metarhizium granulomatis and Metarhizium viride Species Complex

open access: yesPathogens
Metarhizium (M.) granulomatis and M. viride have previously been described as pathogens causing hyalohyphomycosis in various species of captive chameleons and bearded dragons (Pogona vitticeps).
Johanna Würf, Volker Schmidt
doaj   +1 more source

The Bird Tree

open access: yesJournal of Functional Programming, 2009
Sadly, Richard Bird is stepping down as the editor of the ‘Functional Pearls’ column. As a farewell present, I would like to dedicate a tree to him. A woody plant is appropriate for at least two reasons: Richard has been preoccupied with trees in many of his pearls, and where else would you find a bird's nest? Actually, there is a lot of room for nests,
openaire   +2 more sources

Occurrence of Fungi on Duck Egg Shells and Drug Resistance Analysis of Aspergillus spp. Isolates

open access: yesApplied Sciences
Fungi are a typical part of the microbiome of poultry houses, but some of the genera can be pathogenic for poultry and humans. An investigation was conducted on 200 duck eggs from 10 flocks to determine total fungal contamination on the eggshells.
Andrzej Gaweł   +12 more
doaj   +1 more source

The First Anti Poison Dog Unit in Bulgaria to Secure the Eagle and Vulture Populations Persistence

open access: yesПернатые хищники и их охрана, 2018
Poisons in ecological systems pose threat to a number of mammal and bird species at global scale (Zugasti, 2014, Brochet et al., 2017). This is recognized as the most severe threat to all vulture species worldwide (Botha et al., 2017) and at the same ...
Dobromir D. Dobrev, Nikolai G. Terziev
doaj  

Epoxy Coating as a Novel Method to Prevent Avian Electrocutions and Electrical Faults on Distribution Pylons with Grounded Steel Crossarms

open access: yesBirds
Electrical faults caused by power escaping electric systems can lead to power outages, equipment damage, and fires. Faults sometimes occur when birds perched on power structures are electrocuted.
Mahmood Kolnegari   +4 more
doaj   +1 more source

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