Results 31 to 40 of about 1,587 (208)

Avian haemosporidian parasites of accipitriform raptors [PDF]

open access: yesMalaria Journal, 2022
Abstract Background The order Accipitriformes comprises the largest group of birds of prey with 260 species in four families. So far, 21 haemosporidian parasite species have been described from or reported to occur in accipitriform birds.
Harl, Josef   +9 more
openaire   +3 more sources

SEASONAL AND INTERANNUAL DYNAMICS OF THE FEEDING SPECTRUM OF A PAIR OF GROUND EAGLES (AQUILA HELIACA, ACCIPITRIDAE, ACCIPITRIFORMES) IN THE RIGHT BANK OF THE MIDDLE VOLGA REGION (SENGILEEVSKY MOUNTAINS) [PDF]

open access: diamondRussian Journal of Ecosystem Ecology
The food supply is a key factor determining the reproductive performance of populations of the large feathered predators. The distribution of the Imperial Eagle Aquila heliaca is primarily limited by the distribution and abundance of the main prey ...
М. В. Корепов   +3 more
openalex   +2 more sources

Mitochondrial Genome Analysis of Philippine Eagles (<i>Pithecophaga jefferyi</i> Ogilvie-Grant 1896) From the Greater Mindanao Faunal Region. [PDF]

open access: yesEcol Evol
Mitogenome sequencing is a promising alternative for the genetic studies of animals. In this work, we examined the genetic diversity of the critically endangered and endemic Philippine eagles and their evolutionary relationship to other birds of prey.
Bacus MG   +11 more
europepmc   +2 more sources

Collection and Taxidermy: A Pallas’s Fish Eagle (Haliaeetus leucoryphus) (Pallas, 1771) (Accipitriformes: Accipitridae) [PDF]

open access: hybridMathews journal of veterinary science
Taxidermy is very important for the study of evolution especially natural history. Taxidermy is the most important, powerful, and directs visual communication in the Bangladesh National Museum.
Sumona Afroz   +3 more
openalex   +2 more sources

BIRDS OF CONSERVATION CONCERN AT AL-NAJAF DESERT, SOUTHERN DESERT OF IRAQ

open access: yesBulletin of the Iraq Natural History Museum, 2022
One eighth of the bird species in the world is considered globally threatened;the avifauna of Iraq comprises 409 species and is considered as the major indicator of the health of Iraq’s biological resources.
Hayder M. Al-Rammahi   +1 more
doaj   +1 more source

The importance of political, economic, and cultural factors in explaining fundamental ornithological problems (A case study from Bulgaria) Part II. The Old World vultures (Gypaetinae Vieillot, 1816, Aegypiinae Sclater, W. L., 1924 - Accipitriformes Vieillot, 1816) [PDF]

open access: bronzeBulletin of the Natural History Museum – Plovdiv
The importance of political, economic and cultural factors/developments in explaining fundamental ornithological problems, one of which is the existence of vultures, is analyzed, with a special emphasis on Bulgaria.
Wolfgang Baumgart, Zlatozar Boev
openalex   +2 more sources

Comparative chromosome painting in Spizaetus tyrannus and Gallus gallus with the use of macro- and microchromosome probes.

open access: yesPLoS ONE, 2021
Although most birds show karyotypes with diploid number (2n) around 80, with few macrochromosomes and many microchromosomes pairs, some groups, such as the Accipitriformes, are characterized by a large karyotypic reorganization, which resulted in ...
Carlos A Carvalho   +7 more
doaj   +3 more sources

Exceptionally Low Proportion of Adult Pairs and Male-Skewed Adult Sex Ratio in a Declining Population of the Golden Eagle Aquila chrysaetos (L., 1758) (Accipitriformes: Accipitridae)

open access: bronzeActa zoologica Bulgarica
Generally, golden eagles have a favourable conservation status but they are threatened in some parts of their range. A nationwide breeding survey of the golden eagles in Bulgaria found that the species is in a decline. Contrary to the last estimation for
Idi D
openalex   +3 more sources

Birds of Prey (Falconiformes, Accipitriformes) of Northern Eurasia in the Biological Tetranary Nomenclature

open access: yesПернатые хищники и их охрана, 2020
The main disadvantage of the generally accepted trinary system of around-species nomenclature is the lack of a species concept. This leads to the fact that any lower taxon can be declared a species or subspecies, and any combination of these taxa of ...
Pavel V. Pfander
doaj   +1 more source

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