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Stopover dynamics of 12 passerine migrant species in a small Mediterranean island during spring migration

Maggini, Ivan and Trez, Marta and Cardinale, Massimiliano and Fusani, Leonida (2020). Stopover dynamics of 12 passerine migrant species in a small Mediterranean island during spring migration. Journal of Ornithology. 161 , 793-802
[Journal article]

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Abstract

Small coastal islands offer landing opportunities for large numbers of migratory birds following long sea crossings. However, they do not always provide sufficient refueling opportunities, thus raising questions about their importance for the success of migratory journeys. Here we analyzed a large dataset collected during 3 years of captures and recaptures of 12 species on the island of Ponza, central Italy, to determine the importance of the island for refueling. Despite the very large amount of birds on the island, only a very small fraction (usually below 2%) stayed on the island for longer than 1 day. These birds had low energy stores and, in most cases, they were not able to successfully refuel on Ponza. Only two species (Subalpine Warbler and Common Chiffchaff) had a positive fuel deposition rate, possibly as a result of the better suitability of the island's habitat to these two species. We underline that the large use of the island despite the relatively low refueling opportunities may be due to other aspects that it may offer to the birds. Possibly, birds just landed after a long sea crossing may require a short rest or sleep and can find opportunities to do that on the islands, reinitiating their onward flight after just a few hours. Understanding the role of these islands for migratory birds will be important for conservation, since setting priorities for protection might be misled if considering only refueling success as an important variable.

Authors/Creators:Maggini, Ivan and Trez, Marta and Cardinale, Massimiliano and Fusani, Leonida
Title:Stopover dynamics of 12 passerine migrant species in a small Mediterranean island during spring migration
Year of publishing :2020
Volume:161
Page range:793-802
Number of Pages:10
Publisher:Springer
ISSN:2193-7192
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Zoology
Keywords:Ponza, Refueling, Resting, "Fire escape" sites, European-African migration
URN:NBN:urn:nbn:se:slu:epsilon-p-105207
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-105207
Additional ID:
Type of IDID
DOI10.1007/s10336-020-01768-7
Web of Science (WoS)000522570500002
ID Code:17240
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Department of Aquatic Resources
Deposited By: SLUpub Connector
Deposited On:10 Jul 2020 10:23
Metadata Last Modified:10 Jul 2020 10:23

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