Settlement, habitat preference, reproduction, and genetic diversity in recovering the white-tailed eagle Haliaeetus albicilla population

Treinys, Rimgaudas; Dementavičius, Deivis; Rumbutis, Saulius; Švažas, Saulius; Butkauskas, Dalius; Sruoga, Aniolas; Dagys, Mindaugas

doi:10.1007/s10336-015-1280-8

Cited by 29 publications

(21 citation statements)

References 46 publications

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“… 1 Probst and Gaborik , 2 Stjernberg et al , 3 Stjernberg et al , 4 Elts et al , 5 Treinys et al , 6 Randla and Tammur , 7 Hám et al , 8 Hauff , 9 Mizera and Szymkiewicz , 10 T. Mizera unpubl., 11 I. Hám unpubl. …”

Section: Population Census For the Sampled Countries At The Period Ofmentioning

confidence: 99%

“…Recently a number of publications have aimed to reveal the phylogeography and genetic structure of the European WTE populations (Cederberg et al , Hailer et al , , Literák et al , Honnen et al , Langguth et al , Nemesházi et al , Ponnikas et al , Treinys et al ). Sequencing WTEs for a mitochondrial hypervariable region across the distribution range, Hailer et al () found two major genetic lineages (A and B), with a west‐east clinal distribution (showing admixture across a wide range in Eurasia), suggesting that the species survived the Last Glacial Maximum in two main (a more eastern and a more western) refugia.…”

Section: Population Census For the Sampled Countries At The Period Ofmentioning

confidence: 99%

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Natural and anthropogenic influences on the population structure of white‐tailed eagles in the Carpathian Basin and central Europe

Nemesházi

Kövér

Zachos

et al. 2016

Journal of Avian Biology

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European populations of the white‐tailed eagle Haliaeetus albicilla suffered a drastic decline during the 20th century. In many countries, only a few dozen breeding pairs survived or the species disappeared completely. By today, the populations have recovered, naturally or through restocking (e.g. in Scotland or the Czech Republic). In the Carpathian Basin, which is now a stronghold in southern Europe for the species in the southern part of the distribution range with more than 500 breeding pairs, only about 50 pairs survived the bottleneck. This region provides important wintering places for individuals arriving from different regions of Eurasia. In the present study, we investigated 249 DNA samples from several European countries, using 11 microsatellites and mitochondrial control region sequences (499 bp), to answer two main questions: 1) did the Carpathian Basin population recover through local population expansion or is there a significant gene flow from more distant populations as well? 2) Does the Czech population show signs in its genetic structure of the restocking with birds of unknown origin? Our microsatellite data yielded three genetically separate lineages within Europe: northern, central and southern, the latter being present exclusively in the Carpathian Basin. Sequencing of mitochondrial DNA revealed that there is one haplotype (B12) which is not only exclusive to the Carpathian Basin but it is frequent in this population. Our results suggest that in accordance with the presumably philopatric behaviour of the species, recovery of the Carpathian Basin population was mainly local, but some of the wintering birds coming from the northern and central populations contributed to its genetic composition as well. We detected considerably higher proportions of northern birds within the Czech Republic compared to the neighbouring areas, making it likely that parents of the reintroduced birds came from northern populations.

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Section: Population Census For the Sampled Countries At The Period Ofmentioning

confidence: 99%

Section: Population Census For the Sampled Countries At The Period Ofmentioning

confidence: 99%

Natural and anthropogenic influences on the population structure of white‐tailed eagles in the Carpathian Basin and central Europe

Nemesházi

Kövér

Zachos

et al. 2016

Journal of Avian Biology

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“…As the White-tailed eagles traditionally nest along the coast and are strongly associated with water, their preference for higher proportions of lakes in their territories was highly expected, and was also found to be the case in Lithuania (Treinys et al 2016) and Croatia (Radović and Mikuska 2009). Although the proportion of lakes was the most significant habitat variable for nesting territories of the Whitetailed Eagles, they also showed a preference for peat bogs.…”

Section: Habitat Preferencesmentioning

confidence: 97%

“…Only a few studies have addressed nesting habitat preferences for White-tailed Eagles. In Lithuania, a preference for various water bodies, as well as semi-open areas, was found within a calculated territory with a radius of 6 km (Treinys et al 2016), whereas all White-tailed Eagle nests in Croatia are found within 1 km of some kind of water body (Radović and Mikuska 2009). Associations between the diet and the habitat in the nesting territory have, to our knowledge, been made only regarding the share of water and land (Helander 1983;Ekblad et al 2016).…”

Section: Electronic Supplementary Materialsmentioning

confidence: 99%

“…At the Baltic Sea coast, a radius of 2 km around the nests was used to describe habitat characteristics of the nesting landscape (Ekblad et al 2016). In a study from Lithuania a radius of 6 km around the nests was used (Treinys et al 2016). Unpublished data from two nesting White-tailed Eagles equipped with GPS-transmitters in Finland also reveal that 95% of all positions were within 11.8 and 13.2 km of their respective nests.…”

Section: Territorial Size and Habitatmentioning

confidence: 99%

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Diet and breeding habitat preferences of White-tailed Eagles in a northern inland environment

Ekblad

Tikkanen

Sulkava³

et al. 2020

Polar Biol

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Many apex predator populations are recolonizing old areas and dispersing to new ones, with potential consequences for their prey species and for livestock. An increasing population of the White-tailed Eagle (Haliaeetus albicilla) has settled north of the Arctic Circle in northern Finland, mainly at two big water reservoirs but also in areas with mainly terrestrial habitat. We examined nesting habitat preferences and prey use of White-tailed Eagles in this environment, where reindeer husbandry is a traditional livelihood and concerns are rising that the growing White-tailed Eagle population poses a threat to reindeer calves. Lakes, peat bogs, and marshlands were preferred habitats in the nesting territories. Fish constituted 64.3% of the identified prey items, with birds accounting for 28.5% and mammals 7.2%. The nesting territory habitat within a 10 km radius and the latitude influenced the prey composition at both the group and species level. The occurrence of reindeer calves as prey increased with latitude but was not associated with any habitat. Knowledge of the diet and territory preferences can be used to predict future dispersal and local prey use of this species. Nesting White-tailed Eagles do not seem to pose a threat to traditional reindeer herding, but further research is needed regarding non-breeding sub-adults and whether the White-tailed Eagles actually kill reindeer calves or simply exploit their carcasses.

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Driving forces behind the fluctuating growth of the number of successful nests in an inland population of white‐tailed eagles in Hokkaido, Japan

et al. 2022

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This study aimed to describe the change in the number of successful nests of the white-tailed eagle, Haliaeetus albicilla, for 25 years along the Teshio River (100 km), Japan, which is a new habitat for this endangered species and identify factors driving the number of nests. The number of nests grew from two to nine. The logistic function fitted in well with the growth, and the capacity of the study area sustaining the successful nests was estimated at 6.5. The precipitation in January and April explained the deviation of the observed values from the model prediction. In particular, heavy rain in April was associated with low numbers. Forty-six nest remains were collected from 17 nest locations. Twelve genera of birds, six genera of mammals, and four

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Settlement, habitat preference, reproduction, and genetic diversity in recovering the white-tailed eagle Haliaeetus albicilla population

Cited by 29 publications

References 46 publications

Natural and anthropogenic influences on the population structure of white‐tailed eagles in the Carpathian Basin and central Europe

Natural and anthropogenic influences on the population structure of white‐tailed eagles in the Carpathian Basin and central Europe

Diet and breeding habitat preferences of White-tailed Eagles in a northern inland environment

Driving forces behind the fluctuating growth of the number of successful nests in an inland population of white‐tailed eagles in Hokkaido, Japan

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