First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria
Abstract Three cases of carrion-feeding with remains of artiodactyls (0.3%, n=1104 samples with food remains) have been documented in a long term diet study of Eurasian Eagle-owls (Bubo bubo) in 53 localities at Southeastern Bulgaria. Bone pieces of a sheep/goat (Ovis aries/Carpa hircus), a Fallow D...
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Language: | English |
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crdegruyter:10.1515/orhu-2017-0005 2024-09-30T14:34:33+00:00 First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria Milchev, Boyan Spassov, Nikolay 2017 http://dx.doi.org/10.1515/orhu-2017-0005 http://content.sciendo.com/view/journals/orhu/25/1/article-p58.xml https://www.sciendo.com/article/10.1515/orhu-2017-0005 en eng Walter de Gruyter GmbH http://creativecommons.org/licenses/by-nc-nd/4.0 Ornis Hungarica volume 25, issue 1, page 58-69 ISSN 2061-9588 journal-article 2017 crdegruyter https://doi.org/10.1515/orhu-2017-0005 2024-09-09T04:19:42Z Abstract Three cases of carrion-feeding with remains of artiodactyls (0.3%, n=1104 samples with food remains) have been documented in a long term diet study of Eurasian Eagle-owls (Bubo bubo) in 53 localities at Southeastern Bulgaria. Bone pieces of a sheep/goat (Ovis aries/Carpa hircus), a Fallow Deer (Dama dama) and a Domestic Pig (Sus scrofa dom.) in three Eurasian Eagle-owl breeding localities (5.7%) prove extremely rare feeding on carrion. Northern White-breasted Hedgehog (Erinaceus roumanicus), rats (Rattus sp.), waterbirds and gallinaceous birds (total 59.5-72.6% by biomass) constituted the main portion of the diets with carrion remains. The comparisons between food niche breadths, diet composition, average prey biomass and values of superpredation of the annual diets in the three localities have not supported the carrion-feeding of the Eurasian Eagle-owl as a result of food shortages. Article in Journal/Newspaper eurasian eagle-owl De Gruyter Ornis Hungarica 25 1 58 69 |
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Open Polar |
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De Gruyter |
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crdegruyter |
language |
English |
description |
Abstract Three cases of carrion-feeding with remains of artiodactyls (0.3%, n=1104 samples with food remains) have been documented in a long term diet study of Eurasian Eagle-owls (Bubo bubo) in 53 localities at Southeastern Bulgaria. Bone pieces of a sheep/goat (Ovis aries/Carpa hircus), a Fallow Deer (Dama dama) and a Domestic Pig (Sus scrofa dom.) in three Eurasian Eagle-owl breeding localities (5.7%) prove extremely rare feeding on carrion. Northern White-breasted Hedgehog (Erinaceus roumanicus), rats (Rattus sp.), waterbirds and gallinaceous birds (total 59.5-72.6% by biomass) constituted the main portion of the diets with carrion remains. The comparisons between food niche breadths, diet composition, average prey biomass and values of superpredation of the annual diets in the three localities have not supported the carrion-feeding of the Eurasian Eagle-owl as a result of food shortages. |
format |
Article in Journal/Newspaper |
author |
Milchev, Boyan Spassov, Nikolay |
spellingShingle |
Milchev, Boyan Spassov, Nikolay First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria |
author_facet |
Milchev, Boyan Spassov, Nikolay |
author_sort |
Milchev, Boyan |
title |
First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria |
title_short |
First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria |
title_full |
First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria |
title_fullStr |
First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria |
title_full_unstemmed |
First evidence for carrion–feeding of Eurasian Eagle-owl (Bubo bubo) in Bulgaria |
title_sort |
first evidence for carrion–feeding of eurasian eagle-owl (bubo bubo) in bulgaria |
publisher |
Walter de Gruyter GmbH |
publishDate |
2017 |
url |
http://dx.doi.org/10.1515/orhu-2017-0005 http://content.sciendo.com/view/journals/orhu/25/1/article-p58.xml https://www.sciendo.com/article/10.1515/orhu-2017-0005 |
genre |
eurasian eagle-owl |
genre_facet |
eurasian eagle-owl |
op_source |
Ornis Hungarica volume 25, issue 1, page 58-69 ISSN 2061-9588 |
op_rights |
http://creativecommons.org/licenses/by-nc-nd/4.0 |
op_doi |
https://doi.org/10.1515/orhu-2017-0005 |
container_title |
Ornis Hungarica |
container_volume |
25 |
container_issue |
1 |
container_start_page |
58 |
op_container_end_page |
69 |
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1811638136569069568 |