Are Grey Plovers true Jelly Bon lovers? First record of Grey Plovers (Pluvialis squatarola) deliberately feeding on barrel jellyfish (Rhizostoma pulmo) in the Western Palearctic

IF 1 4区 生物学 Q2 ORNITHOLOGY
Ornis Fennica Pub Date : 2023-12-16 DOI:10.51812/of.121247
Liliana V. Vassileva
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引用次数: 0

Abstract

Coelenterates are not considered important food items for waders such as Grey Plovers (Pluvialis squatarola), although this has rarely been investigated in detail. During three days of fieldwork on the Bulgarian Black Sea coast in October 2020 Grey Plovers were documented deliberately choosing and swallowing barrel jellyfish Rhizostoma pulmo (Scyphozoa: Rhizostomatidae) while foraging on sand seashore where Scyphozoan jellyfish are often stranded. According to peer-reviewed literature, there is to-date no evidence of Grey Plovers consuming scyphozoan medusae, particularly as a specific choice for their food components. As a result of the present study, it is concluded that barrel jellyfish is part of the diet of Grey Plovers on the Black Sea coast and is purposely chosen by them. So far, this is the first video-recorded observation and published record of such an event in Europe and Western Palearctic. It suggests that coelenterates may be more important food items for waders than previousely believed and shows the potential of medusae to become an important food alternative for them.
灰鸻是真正的水母爱好者吗?西巴勒北极地区首次记录到灰鷸(Pluvialis squatarola)故意以桶水母(Rhizostoma pulmo)为食
虽然很少有人对灰鸻(Pluvialis squatarola)等鸻类的重要食物进行详细调查,但人们并不认为腔肠动物是灰鸻的重要食物。2020 年 10 月,在保加利亚黑海沿岸进行的为期三天的实地考察中,记录到灰鸻在经常搁浅鞘水母的沙海边觅食时,故意选择并吞下桶水母 Rhizostoma pulmo(鞘水母科:Rhizostomatidae)。根据同行评审的文献,迄今没有证据表明灰鸻食用栉水母,特别是将其作为食物成分的特定选择。本研究的结论是,桶水母是黑海沿岸灰鸻食物的一部分,而且是它们特意选择的食物。迄今为止,这是在欧洲和西古北界首次对此类事件进行录像观察并发表记录。这表明,腔肠动物对鸻来说可能比以前认为的更为重要,同时也表明了鳉鱼有可能成为鸻的重要替代食物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Ornis Fennica
Ornis Fennica 生物-鸟类学
CiteScore
2.00
自引率
0.00%
发文量
14
审稿时长
>12 weeks
期刊介绍: Ornis Fennica is a peer-reviewed international ornithological journal published by BirdLife Finland. Ornis Fennica publishes analytical and experimental papers on the ecology, behaviour and biogeography of birds. Ornis Fennica prefers studies concerning Fennoscandian species, but other novel contributions of general interest are most welcome as well. Ornis Fennica is an open-access journal without page charges for publication. All published articles (from 1924 onwards) are freely available from the journal website. First decisions are usually made within three months of submission.
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