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Jacek Betleja
Observed names:
Betleja Jacek,
Betleja, Jacek,
J. Betleja,
JACEK BETLEJA
Institution:
Silesian Museum
Observed institutions:
Silesian Museum,
Museum and Institute of Zoology,
Institute of Nature Conservation,
Polish Academy of Sciences
ORCID:
0000-0001-8186-3411
Observed ORCID:
0000-0001-8186-3411
OpenAlex ID:
A5088557030
The Whiskered Tern Chlidonias hybrida expansion in Poland: the role of immigration
2013
·
Mateusz Ledwoń
, Jacek Betleja
, et al.
·
Journal für Ornithologie
·
41
PDF
Adult and pre-breeding survival estimates of the Whiskered Tern Chlidonias hybrida breeding in southern Poland
2013
·
Mateusz Ledwoń
, Grzegorz Neubauer
, et al.
·
Journal für Ornithologie
·
35
PDF
An Effective Method for Trapping Both Parents and Chicks of Whiskered Terns (Chlidonias hybrida) and Its Impact on Breeding Success
2015
·
Mateusz Ledwoń
, Jacek Betleja
, et al.
·
Waterbirds
·
22
Different trapping schemes and variable disturbance intensity do not affect hatching success of Whiskered TernsChlidonias hybrida
2016
·
Mateusz Ledwoń
, Jacek Betleja
, et al.
·
Bird Study
·
20
PDF
Post-breeding migration of Night Herons Nycticorax nycticorax tracked by GPS/GSM transmitters
2014
·
Mateusz Ledwoń
, Jacek Betleja
·
Journal für Ornithologie
·
17
PDF
Expansion of the Mediterranean Gull Larus melanocephalus in Poland
2007
·
Monika Zielińska
, Piotr Zieliński
, et al.
·
Journal für Ornithologie
·
15
PDF
Melanin-based plumage ornamentation signals condition and physiological stress in the Black-headed Gull
2019
·
Piotr Minias
, Piotr Indykiewicz
, et al.
·
Journal für Ornithologie
·
13
PDF
Super-normal Clutches and Female-female Pairs in Gulls and Terns Breeding in Poland
2007
·
Jacek Betleja
, Piotr Skórka
, et al.
·
Waterbirds
·
12
Low Occurrence of Acinetobacter baumannii in Gulls and Songbirds
2020
·
ANDŻELINA ŁOPIŃSKA
, PIOTR INDYKIEWICZ
, et al.
·
Polish Journal of Microbiology
·
11
PDF
Strong Declines of the White Stork Ciconia ciconia Population in South-Western Poland: A Differentiated Importance of Altitude and Land Use Changes
2022
·
Andrzej Wuczyński
, Jacek Betleja
, et al.
·
Acta Ornithologica
·
10
Contrasting haemoparasite prevalence in larid species with divergent ecological niches and migration patterns
2022
·
Radosław Włodarczyk
, Sandra Bouwhuis
, et al.
·
Parasitology
·
9
Birds crossing over roads: species, flight heights and infrastructure use
2020
·
Betleja Jacek
, Łukasz Jankowiak
, et al.
·
European Journal of Ecology
·
9
PDF
Impact of highly pathogenic avian influenza virus (HPAIV) on Black-headed Gulls Chroicocephalus ridibundus population in Poland in 2023
2025
·
Piotr Indykiewicz
, Marcin Przymencki
, et al.
·
Avian Pathology
·
7
Mortality among scarce breeding gulls and terns during a highly pathogenic avian influenza (HPAI) H5N1 virus outbreak in Poland during 2023
2024
·
Marcin Przymencki
, Szymon Beuch
, et al.
·
Bird Study
·
6
Do females of Whiskered TernChlidonias hybridarenest after offspring desertion?
2023
·
M. Ledwoń
, A. Flis
, et al.
·
The European Zoological Journal
·
6
PDF
Monitoring of Polish birds in 2012–2013
2013
·
Tomasz Chodkiewicz
, Grzegorz Neubauer
, et al.
·
6
Diet composition of the Caspian Gull (Larus cachinanns) in inland Poland: effects of breeding area, breeding stage and sympatric breeding with the Herring Gull (Larus argentatus)
2011
·
R. Gwiazda
, D. Bukacinski
, et al.
·
Ornis Fennica
·
6
PDF
Reproductive Parameters of Caspian GullLarus cachinnansPallas, 1811 in Different Habitats Nearby and Away Fish Ponds
2015
·
Robert Gwiazda
, Grzegorz Neubauer
, et al.
·
Polish Journal of Ecology
·
4
Zimowanie ptaków wodnych na terenach zurbanizowanych w Polsce w latach 2007–2009
2012
·
Włodzimierz Meissner
, Patryk Rowiński
, et al.
·
Ornis Polonica
·
3
PDF
Kartoteka Rzadkich Ptaków w Polsce w roku 2022 – gatunki lęgowe
2024
·
Przemysław Wylegała
, Arkadiusz Sikora
, et al.
·
Ornis Polonica
·
2
PDF
Ptaki Zbiornika Goczałkowickiego
2014
·
Jacek Betleja
, Jan Król
, et al.
·
Ptaki Śląska
·
2
Size variation in the Mute Swan Cygnus olor
2026
·
W. Meissner
, J. Betleja
, et al.
·
The European Zoological Journal
·
1
PDF
Kartoteka Rzadkich Ptaków w Polsce w roku 2021 – gatunki lęgowe
2023
·
Szymon Beuch
, Łukasz Ławicki
, et al.
·
Ornis Polonica
·
1
PDF
Aktualne rozmieszczenie, liczebność i trend mewy białogłowej Larus cachinnans w Polsce
2022
·
Marcin Przymencki
, Klaudia Litwiniak
, et al.
·
Ornis Polonica
·
1
PDF
Kartoteka Rzadkich Ptaków w Polsce w roku 2018 – gatunki lęgowe
2020
·
Arkadiusz Sikora
, Szymon Beuch
, et al.
·
Ornis Polonica
·
1
PDF
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Works count:
52
Citation count:
262
H-index:
10
I10-index:
10
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