Results 171 to 180 of about 8,075 (212)

Eastern imperial eagle Aquila heliaca

2021
Evgeny Bragin, Márton Horváth, Sharon Poessel, Todd Katzner   +3 more
openaire   +2 more sources

Gelegegröße und Bruterfolg des Schreiadlers (Aquila pomarina) und des Kaiseradlers (Aquila heliaca) in den ostslowakischen Karpaten 1966–1978 [PDF]

Journal für Ornithologie, 1979
In 13 aufeinanderfolgenden Jahren wurden 65 Bruten des Schreiadlers und 28 (davon zwei Nachgelege) des Kaiseradlers registriert. 47 Schreiadlergelege enthielten im Mittel 1,68 Eier (15×1, 32×2). Aus 78 Eiern schlupften 56 Junge. Der Verlust an Nestlingen durch Kainismus hatte ohne unser Eingreifen 38% ausgemacht, nur 32,8% von 78 abgelegten Eiern ...
Bernd-Ulrich Meyburg, Ján Švehlik
openaire   +2 more sources

Imperial Eagle (Aquila heliaca)

2020
Bernd-Ulrich Meyburg, Guy M. Kirwan
openaire   +2 more sources

Aquila heliaca

CABI Compendium, 2022
This datasheet on Aquila heliaca covers Identity, Distribution.

semanticscholar   +1 more source

Current Efforts to Monitor and Conserve the Eastern Imperial Eagle Aquila heliaca in Hungary

AMBIO: A Journal of the Human Environment, 2008
The globally threatened Eastern Imperial Eagle Aquila heliaca has been one of the flagship species of Hungarian bird conservation efforts since the 1980s. Due to these conservation activities and positive land-use changes during the last 2 decades, the Hungarian Imperial Eagle population increased from as few as approximately 20 pairs in the early ...
Iván Demeter, Károly Nagy, Márton Horváth, Imre Fatér, János Bagyura, Tamás Szitta, Gábor Firmánszky, András Kovács   +7 more
openaire   +3 more sources

Mikroszatellita-markerkészlet fejlesztése parlagi sasok (Aquila heliaca) egyedi azonosításához rokon fajokban leírt markerek segítségével

Magyar állatorvosok lapja
A hazánkban fokozottan védett parlagi sas (Aquila heliaca) ökológiája territoriális viselkedéséből adódóan jól vizsgálható nem-invazív módon gyűjtött minták (vedlett tollak) DNS-profilozásával.
Bernadett Zsinka, Nóra Vili, K. Szabó, Ádám Tisza, Veronika Csonka, Szilvia Pásztory-Kovács   +5 more
semanticscholar   +1 more source

Orao krstaš Aquila heliaca

2013
Gnijezdeća populacija svojte je, prema IUCN regionalnoj klasifikaciji, kategorizirana kritično ugroženom (CR).
Ćiković, Davor, Barišić, Sanja
openaire   +1 more source

Breeding record of the Imperial Eagle,Aquila heliaca,in Turkey

Zoology in the Middle East, 1996
Abstract Breeding of the Imperial Eagle in Turkey has been confirmed only two times during the last two decades. An occupied eyrie was found in 1989 and is described and a list of prey items is given. Breeding in Turkey has been confirmed only in Northern Anatolia.
openaire   +2 more sources

Variation in offspring sex ratio of a long‐lived sexually dimorphic raptor, the Eastern Imperial Eagle Aquila heliaca

, 2014
Sex ratio theory attempts to explain observed variation in offspring sex ratio at both the population and the brood levels. In the context of low-fecundity organisms producing high-investment offspring, the drivers of adaptive variation in sex ratio are ...
T. Katzner, Daniel S. Jackson, J. Ivy, E. Bragin, Andrew Dewoody   +4 more
semanticscholar   +1 more source

Seasonal Dynamics of the Diet of Imperial Eagles (Aquila heliaca, Accipitridae, Accipitriformes) in the Left-Bank Middle Volga Region

Biology Bulletin, 2023
M. V. Korepov, L. A. Arbuzova
semanticscholar   +1 more source