Results 31 to 40 of about 1,424 (211)

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)

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 ...
M. V. Korepov   +3 more
semanticscholar   +2 more sources

MORPHO-HISTOLOGICAL STUDY OF THE PROVENTRICULUS OF EURASIAN MARSH HARRIER CIRCUS AERUGINOSUS (LINNAEUS, (1766 ( AVES, ACCIPITRIFORMES, ACCIPITRIDAE)

open access: yesBulletin of the Iraq Natural History Museum
The study aimed to describe the anatomical, histological, and histochemical structure of the proventriculuc of adult male Eurasian marsh harrier, Circus aeruginosus (Linnaeus, 1766) (Accipitriformes, Accipitridae). Six birds were used for this study. The
Baydaa Hussain Mutlak, Sadama Said Faraj
doaj   +2 more sources

Filling the distribution gaps of two species of Accipiter Brisson, 1760 (Aves, Accipitriformes) in northeastern Brazil [PDF]

open access: yesCheck List, 2019
We present new records of Gray-bellied Hawk, Accipiter poliogaster (Temminck, 1824), and Rufous-thighed Hawk, A. striatus erythronemius (Kaup, 1850), from northeastern Brazil and review the occurrence of these species in this region. While A. s. erythronemius occurs in secondary forests in the semi-arid regions of northeast Brazil, A. poliogaster seems
Hilda Raianne Silva de Melo   +4 more
openaire   +6 more sources

A new buzzard from the late Pliocene of Argentina [PDF]

open access: yesActa Palaeontologica Polonica, 2021
We describe a new species of a large buzzard (Accipitridae), Buteo dondasi sp. nov. from the late Pliocene of Buenos Aires Province, Argentina represented by an incomplete left hind limb, including a distal fragment of tibiotarsus, tarsometatarsus ...
FEDERICO J. DEGRANGE   +3 more
doaj   +1 more source

Detailed morphological structure and phylogenetic relationships of Degeeriella punctifer (Phthiraptera: Philopteridae), a parasite of the bearded vulture Gypaetus barbatus (Accipitriformes: Accipitridae). [PDF]

open access: yesSci Rep, 2023
Habitat loss is one of the main threats to species survival and, in the case of parasites, it is their hosts that provide their habitat. Therefore, extinction even at local scale of host taxa also implies the extinction of their parasites in a process ...
Pérez JM   +5 more
europepmc   +2 more sources

The complete mitochondrial genome and phylogenetic analyses of Cathartes melambrotus (Wetmore 1964) (Aves: Cathartidae). [PDF]

open access: yesMitochondrial DNA B Resour
Cathartes melambrotus is the largest member of the genus Cathartes, and soars over the forested areas of Amazonia in search of carrion. The complete mitochondrial genome of C. melambrotus was reported in this study.
Driver R, Li R.
europepmc   +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

Enigmas no longer: using Ultraconserved Elements to place several unusual hawk taxa and address the non-monophyly of the genus Accipiter (Accipitriformes: Accipitridae)

open access: yesbioRxiv, 2023
Hawks, eagles, and their relatives (Accipitriformes: Accipitridae) are a diverse and charismatic clade of modern birds, with many members that are instantly recognized by the general public.
Therese A. Catanach   +2 more
semanticscholar   +1 more source

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   +2 more sources

Анализ фаунистического сходства сообществ пернатых хищников некоторых местообитаний Алтайского края и республики Алтай

open access: yesПернатые хищники и их охрана, 2023
Птицы отрядов Falconiformes, Accipitriformes и Strigiformes находятся на вершине экологической пирамиды, в связи с чем, наиболее уязвимы к изменениям природной среды, происходящим под влиянием деятельности человека.
Sergey V. Vazhov
doaj   +1 more source

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