大蓝鹭捕食异常加利福尼亚蝴蝶鳐及其生态学意义

IF 0.7 4区生物学 Q3 ORNITHOLOGY

Waterbirds Pub Date : 2023-09-18 DOI:10.1675/063.045.0412

Victor Bach Muñoz

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引用次数: 1

摘要

一只大蓝鹭(Ardea herodias)被观察到在加利福尼亚海岸杀死了一只形态异常的加利福尼亚蝴蝶鳐(Gymnura marmorata)。尽管此前有报道称这种苍鹭会积极捕食蝙蝠，但这一观察结果是首次记录鸟类(或任何其他捕食者)对蝴蝶射线的攻击。在这一事件中观察到的行为增加了蝴蝶射线作为a . herodias潜在猎物的可能性，并为这种鸟类作为近岸捕食者和像G. marmorata这样的射线物种作为重要猎物的生态学提供了进一步的见解。

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Great Blue Heron (Ardea herodias) Predation on an Abnormal California Butterfly Ray (Gymnura marmorata) and its Ecological Implications

A Great Blue Heron (Ardea herodias) was observed killing a California butterfly ray (Gymnura marmorata) with a morphological abnormality off coastal California. Even though this heron species has previously been reported actively hunting batoids, this observation is the first documenting of an attack by a bird (or any other predator) on a butterfly ray. The behavior observed in this event adds butterfly rays as potential prey items of A. herodias and provides further insights on both this bird's ecology as a nearshore predator and that of ray species like G. marmorata as important prey.

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来源期刊

Waterbirds 生物-鸟类学

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： Waterbirds is an international scientific journal of the Waterbird Society. The journal is published four times a year (March, June, September and December) and specializes in the biology, abundance, ecology, management and conservation of all waterbird species living in marine, estuarine and freshwater habitats. Waterbirds welcomes submission of scientific articles and notes containing the results of original studies worldwide, unsolicited critical commentary and reviews of appropriate topics.