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Article
James M. E. Firkins, Auteur ; Deivis Dementavičius, Auteur ; Saulius Rumbutis, Auteur ; Ričardas Patapavičius, Auteur ; Rimgaudas Treinys, AuteurWe describe the movements of colour-ringed White-tailed Eagles, observed in later stages of life, from their hatching sites. To investigate the movement distance of individuals of various ages from their hatching sites in an increasing populatio[...]
Article
Saulius Rumbutis, Auteur ; Gintarė Grašytė, Auteur ; Rimgaudas Treinys, AuteurTemporal variations or long-term shifts in the body size of individuals in a local population of animal species may arise as a consequence of different environmental triggers, including changes in ambient temperature, nutrition and other biologi[...]
Article
James M. E. Firkins, Auteur ; Deivis Dementavičius, Auteur ; Gintarė Grašytė, Auteur ; Saulius Rumbutis, Auteur ; Ričardas Patapavičius, Auteur ; Rimgaudas Treinys, AuteurPopulations of raptors in Europe recovered at the end of twentieth century from heavy decline due to contaminants and persecution in the past, however, some species or populations in certain regions continue to face pressure from human induced m[...]
Article
Rimgaudas Treinys, Auteur ; Ervin Komar, Auteur ; Daiva Vaitkuviene, AuteurThe White-tailed Eagle Haliaeetus albicilla may aggregate in areas with high fish supply during their autumn movements. Here, we report on data collected between 2008 and 2019 concerning numbers of White-tailed Eagles visiting fish-ponds located[...]
Article
Deivis Dementavičius, Auteur ; Saulius Rumbutis, Auteur ; Tomas Virbickas, Auteur ; Daiva Vaitkuviene, Auteur ; Mindaugas Dagys, Auteur ; Rimgaudas Treinys, AuteurCapsule: Despite its population increase, the White-tailed Eagle Haliaeetus albicilla has not become food-limited, and does not pose a serious threat to birds of conservation concern in the region east of the Baltic Sea. Aims: We aimed to test v[...]
Article
Aušra Kamarauskaitė, Auteur ; Saulis Skuja, Auteur ; Rimgaudas Treinys, AuteurCapsule: The nesting habitat of the Common Buzzard Buteo buteo and Lesser Spotted Eagle Clanga pomarina extensively overlap, indicating that they exploit similar resources.Aim: We aimed to determine the overlap in the nest platforms, nest trees [...]
Article
Deivis Dementavičius, Auteur ; Saulius Rumbutis, Auteur ; Daiva Vaitkuviene, Auteur ; Mindaugas Dagys, Auteur ; Rimgaudas Treinys, AuteurMesopredators frequently suffer lethal and/or non-lethal negative effects when breeding in sympatry with more powerful apex predators. The recent recovery of the White-tailed Eagle Haliaeetus albicilla (WTE) population throughout its range indic[...]
Article
Saulius Rumbutis, Auteur ; Daiva Vaitkuviene, Auteur ; Gintarė Grašytė, Auteur ; Mindaugas Dagys, Auteur ; Deivis Dementavičius, Auteur ; Rimgaudas Treinys, AuteurTawny Owls Strix aluco occupying nest boxes preferred habitats which were positively associated with the probability of nesting success.Aims: We aimed to determine whether or not: (1) Tawny Owls showed habitat preferences when occupying nest box[...]
Article
Rimgaudas Treinys, Auteur ; Uģis Bergmanis, Auteur ; Ülo Väli, AuteurWe assessed whether populations of the migratory, philopatric, territorial Lesser Spotted Eagle Clanga pomarina are regulated through territoriality and density-dependent reproduction rates. In the north-western part of the distribution to the e[...]
Article
Rimgaudas Treinys, Auteur ; Deivis Dementavičius, Auteur ; Saulius Rumbutis, Auteur ; Saulius Švažas, Auteur ; Dalius Butkauskas, Auteur ; Aniolas Sruoga, Auteur ; Mindaugas Dagys, AuteurThe recovering population of white-tailed eagles Haliaeetus albicilla was studied in Lithuania, Central Europe. In the present study, we focused on (1) clarifying which theoretical distribution model better fits and describes the observed patter[...]
Article
Rimgaudas Treinys, Auteur ; Deivis Dementavičius, Auteur ; Saulius Rumbutis, Auteur ; Saulius Švažas, Auteur ; Dalius Butkauskas, Auteur ; Aniolas Sruoga, Auteur ; Mindaugas Dagys, AuteurThe recovering population of white-tailed eagles Haliaeetus albicilla was studied in Lithuania, Central Europe. In the present study, we focused on (1) clarifying which theoretical distribution model better fits and describes the observed patter[...]
Article
Annika Konovalov, Auteur ; Katrin Kaldma, Auteur ; Andriy Bokotey, Auteur ; Paul Brossault, Auteur ; Frederic Chapalain, Auteur ; Marina Dmitrenok, Auteur ; Natalie Dzyubenko, Auteur ; Urmas Sellis, Auteur ; Māris Strazds, Auteur ; Luc Strenna, Auteur ; Rimgaudas Treinys, Auteur ; Piotr Zieliński, Auteur ; Ülo Väli, AuteurSex ratio is an indicator of population health as unexpected biases may indicate potential threats. We studied nestling sex ratio in Black Stork Ciconia nigra populations in order to check potential biases and differences along east–west and nor[...]
Article
Rimgaudas Treinys, Auteur ; Asko Lohmus, Auteur ; Darius Stoncius, Auteur ; Saulis Skuja, Auteur ; Eugenijus Drobelis, Auteur ; Bronius Sablevicius, Auteur ; Saulius Rumbutis, Auteur ; Deivis Dementavičius, Auteur ; Vladas Narusevicius, Auteur ; Antanas Petraska, Auteur ; Danas Augutis, AuteurRecent trends in the European Black Stork Ciconia nigra population are geographically distinct: range expansion and adaptation to human activity dominate in western and central Europe, while declines-probably induced by landscape change-are repo[...]
Article
Aušra Kamarauskaitė, Auteur ; Deivis Dementavičius, Auteur ; Saulis Skuja, Auteur ; Mindaugas Dagys, Auteur ; Rimgaudas Treinys, AuteurRecent evidence suggests that the White-tailed Eagle (Haliaeetus albicilla) - the largest avian predator to have recently recovered in Europe may prey on mesopredators and their broods. Mesopredators - may respond to predators near their nests b[...]
Article
Ülo Väli, Auteur ; Pauli Saag, Auteur ; Valery Dombrovski, Auteur ; Bernd-Ulrich Meyburg, Auteur ; Grzegorz Maciorowski, Auteur ; Tadeusz Mizera, Auteur ; Rimgaudas Treinys, Auteur ; Sofie Fagerberg, AuteurThe correct identification of hybrids is essential in avian hybridisation studies, but selection of the appropriate set of genetic markers for this purpose is at times complicated. Microsatellites and single nucleotide polymorphisms (SNPs) are c[...]
