<abstract xmlns="http://www.w3.org/1999/xhtml"><p>At Mietków Reservoir (SW Poland), during the breeding season of 2019, we found 52 dead swallows in Caspian Gull <italic>(Larus cachinnans)</italic> colony. Most of them were Barn Swallows <italic>(Hirundo rustica)</italic>. The bodies of swallows were fresh and torn with traces of bill. We assume that swallows might have been in weak condition and hunted by gulls. They also could die because of bad weather conditions and hypothermia, fell into the water and then were taken. However, to our knowledge, it was the first mass event of feeding on migrating birds by Caspian Gull.</p></abstract>

At Mietków Reservoir (SW Poland), during the breeding season of 2019, we found 52 dead swallows in Caspian Gull (Larus cachinnans) colony. Most of them were Barn Swallows (Hirundo rustica). The bodies of swallows were fresh and torn with traces of bill. We assume that swallows might have been in weak condition and hunted by gulls. They also could die because of bad weather conditions and hypothermia, fell into the water and then were taken. However, to our knowledge, it was the first mass event of feeding on migrating birds by Caspian Gull.

Short report on probable case of Caspian Gull predation on migrating swallows observed at first time

Ornis Hungarica

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At Mietków Reservoir (SW Poland), during the breeding season of 2019, we found 52 dead swallows in Caspian Gull (Larus cachinnans) colony. Most of them were...

Short report on probable case of Caspian Gull predation on migrating swallows observed at first time

Publié en ligne: 09 juil. 2020

Pages: 181 - 184

Reçu: 14 déc. 2019

Accepté: 11 févr. 2020

DOI: https://doi.org/10.2478/orhu-2020-0012

Mots clés
passerine, feeding on birds, predator

© 2020 Klaudia Litwiniak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Short report on probable case of Caspian Gull predation on migrating swallows observed at first time

Publié en ligne: 09 juil. 2020

Pages: 181 - 184

Reçu: 14 déc. 2019

Accepté: 11 févr. 2020

DOI: https://doi.org/10.2478/orhu-2020-0012

Mots cléspasserine, feeding on birds, predator

© 2020 Klaudia Litwiniak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
passerine, feeding on birds, predator