<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Migration poses a high risk to birds. Crossing of large bodies of water is especially demanding for land birds. One of the dangers faced by migrants are opportunistic predators like gulls. Most gulls Laridae are generalist predators with omnivorous diets. Attacking on migrating birds was investigated during ground observations of bird migration at Ada Island (S Montenegro) between 17 Mar and 10 Apr 2015. We recorded 20 attacks on 22 individuals of six species and on one unidentified passerine. In four instances gulls attacked birds of prey, in two Hoopoe <italic>Upupa epops</italic> and in 16 passerines. Except for two cases when small flocks of two birds were attacked, gulls attacked individuals migrating singly. Considering our data around one percent of passerines migrating during the day across the southern Adriatic Sea can expect to be attacked by gulls. This percentage can be as high as 9.5% for passerines migrating singly.</p></abstract>

Migration poses a high risk to birds. Crossing of large bodies of water is especially demanding for land birds. One of the dangers faced by migrants are opportunistic predators like gulls. Most gulls Laridae are generalist predators with omnivorous diets. Attacking on migrating birds was investigated during ground observations of bird migration at Ada Island (S Montenegro) between 17 Mar and 10 Apr 2015. We recorded 20 attacks on 22 individuals of six species and on one unidentified passerine. In four instances gulls attacked birds of prey, in two Hoopoe Upupa epops and in 16 passerines. Except for two cases when small flocks of two birds were attacked, gulls attacked individuals migrating singly. Considering our data around one percent of passerines migrating during the day across the southern Adriatic Sea can expect to be attacked by gulls. This percentage can be as high as 9.5% for passerines migrating singly.

Gull attacks on migrating birds at Ada Island (S Montenegro)

Oddelek za gozdarsvo in obnovljive gozdne vire, Biotehniška fakulteta

DOPPS – Društvo za opazovanje in preučevanje ptic Slovenije

Acrocephalus

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Gull attacks on migrating birds at Ada Island (S Montenegro)"}

Migration poses a high risk to birds. Crossing of large bodies of water is especially demanding for land birds. One of the dangers faced by migrants are...

Gull attacks on migrating birds at Ada Island (S Montenegro)

Published Online: Jan 25, 2019

Page range: 33 - 37

Received: Feb 02, 2018

Accepted: Jul 12, 2018

DOI: https://doi.org/10.1515/acro-2018-0003

Keywords
selitev, galebi

© 2018 Dejan Bordjan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Gull attacks on migrating birds at Ada Island (S Montenegro)

Published Online: Jan 25, 2019

Page range: 33 - 37

Received: Feb 02, 2018

Accepted: Jul 12, 2018

DOI: https://doi.org/10.1515/acro-2018-0003

Keywordsselitev, galebi

© 2018 Dejan Bordjan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
selitev, galebi