Icelandic Whimbrel first migration: Non-stop until West Africa, yet later departure and slower travel than adults

IF 1.8 3区 生物学 Q1 ORNITHOLOGY
Ibis Pub Date : 2023-10-08 DOI:10.1111/ibi.13282
Camilo Carneiro, Tómas G. Gunnarsson, Triin Kaasiku, Theunis Piersma, José A. Alves
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引用次数: 0

Abstract

Migratory behaviour in young individuals is probably developed by using a complex suite of resources, from molecular information to social learning. Comparing the migration of adults and juveniles provides insights into the possible contribution of those developmental factors to the ontogeny of migration. We show that, like adults, juvenile Icelandic Whimbrel Numenius phaeopus islandicus fly non-stop to West Africa, but on average depart later, follow less straight paths and stop more after reaching land, resulting in slower travel speeds. We argue how the variation in departure dates, the geographical location of Iceland and the annual migration routine of this population make it a good model to study the ontogeny of migration.

Abstract Image

冰岛黄雀首次迁徙:不停地迁徙,直到西非,但比成鸟出发晚,速度慢
幼年个体的迁徙行为可能是通过利用从分子信息到社会学习等一系列复杂的资源形成的。通过比较成鸟和幼鸟的迁徙行为,我们可以深入了解这些发育因素对迁徙本体的可能贡献。我们的研究表明,与成鸟一样,冰岛海燕(Numenius phaeopus islandicus)幼鸟也会不停地飞往西非,但平均出发时间较晚,飞行路径较不平直,到达陆地后停留时间较长,导致飞行速度较慢。我们论证了出发日期的变化、冰岛的地理位置以及该种群每年的迁徙规律如何使其成为研究迁徙本体的良好模型。
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来源期刊
Ibis
Ibis 生物-鸟类学
CiteScore
4.60
自引率
9.50%
发文量
118
审稿时长
6-12 weeks
期刊介绍: IBIS publishes original papers, reviews, short communications and forum articles reflecting the forefront of international research activity in ornithological science, with special emphasis on the behaviour, ecology, evolution and conservation of birds. IBIS aims to publish as rapidly as is consistent with the requirements of peer-review and normal publishing constraints.
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