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