Results 1 to 10 of about 3,435 (166)

Holding a wing horizontal: Roles for muscles of the pectoral girdle other than the main two flight muscles. [PDF]

open access: yesJ Anat
This report explores which muscles of the pectoral girdle are employed to allow birds to hold their wings horizontally with a level aerofoil surface during a glide. Abstract Whilst many birds glide briefly with wings held horizontally, some species maintain this posture for extended periods during soaring.
Deeming DC, Mosto MC.
europepmc   +2 more sources

To the problem of owls’ (Strigiformes) diet selectivity

open access: yesБіологічні студії, 2012
A large body of literature covers the trophic connections of owls nowadays, but detailed studies of the diet selectivity are rather race. Any attempt to determine the cha­racter of owls’ diet selectivity, its influence on prey-species assemblages ...
S. V. Zaika
doaj   +3 more sources

Morphological Variations of Leading-Edge Serrations in Owls (Strigiformes). [PDF]

open access: yesPLoS ONE, 2016
Owls have developed serrations, comb-like structures, along the leading edge of their wings. Serrations were investigated from a morphological and a mechanical point of view, but were not yet quantitatively compared for different species.
Matthias Weger, Hermann Wagner
doaj   +5 more sources

Situación del mochuelo boreal (Aegolius funereus) y primera nidificación confirmada en el pirineo navarro. [PDF]

open access: yesMunibe Ciencias Naturales, 2020
El mochuelo boreal Aegolius funereus, L., 1758 es una especie poco conocida y estudiada en el ámbito de la Comunidad Foral Navarra. Únicamente se conocen escasos registros auditivos (sonoros) de su presencia en el Pirineo navarro.
Javier Ibáñez   +4 more
doaj   +1 more source

Helminth fauna of birds of prey (Strigiformes: Strigidae, Tytonidae) in the Non-Black Earth Region of the Russian Federation

open access: yesРоссийский паразитологический журнал, 2021
The purpose of the research is studying helminths of carnivorous birds of the order of owls (Strigiformes) found in the Non-Black Earth Region of the Russian Federation.Materials and methods.
V. V. Dorokhov, O. E. Davydova
doaj   +1 more source

Spatial and temporal changes in Falconiformes and Strigiformes nutrition: causes, significance, consequences

open access: yesZoodiversity, 2020
Spatial and temporal changes in the nutrition of four species of diurnal birds of prey and six species of owls, traditionally referred to polyphages (generalists), are considered.
I. Komarnytskyi   +2 more
doaj   +1 more source

Acoustic ecology of tawny owl (Strix aluco) in the Greek Rhodope Mountains using passive acoustic monitoring methods

open access: yesFolia Oecologica, 2022
Passive acoustic monitoring is a wildlife monitoring method used especially for the study of vocally active species which are difficult to observe directly. The tawny owl (Strix aluco, Linnaeus 1758) is such a species, and has not been previously studied
Astaras Christos   +2 more
doaj   +1 more source

List of Strigiformes species in the Belgrade Natural History Museum bird collection [PDF]

open access: yesArchives of Biological Sciences, 2004
During re-inventory of the order Strigiformes in the ornithological collection of the Belgrade Natural History Museum, we recorded a total of 134 specimens, collected at over 40 localities throughout Serbia. Of these 71 are in the study collection, 59 in
Novčić Ivana D.
doaj   +1 more source

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

The winter diet of the rare Tyto alba in contrast to Asio otus on Crimea Peninsula

open access: yesNature Conservation Research: Заповедная наука, 2020
The range of Tyto alba overlaps with that of Asio otus in a large part of the Holarctic. Both species are adapted to open-area hunting and prey upon similar species. In contrast to A. otus, data about the diet of T.
Volodymyr M. Kucherenko   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy