Blue-winged parrotlet Forpus xanthopterygius (Aves: Psittacidae), feeding over water in Southeast Brazil

IF 1.1 4区 生物学 Q4 BEHAVIORAL SCIENCES
Fabio Schunck, Sumiko Honda, Simone Justamante de Sordi, Estevão Pereira Vicente dos Santos, Eduardo Hortal Pereira Barretto
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引用次数: 0

Abstract

The blue-winged parrot Forpus xanthopterygius is widely distributed in South America, where it lives in groups in different types of environments and feeds on fruits, seeds, flowers and nectar. In 2023 we observed a group of these birds moving from a forested area to an area of aquatic vegetation on the bank of a water reservoir in Southeast Brazil. The birds landed among the leaves of a cluster of Polygonum ferrugineum, approximately 45 cm above the water surface, and consumed flower buds and flowers — a plant species not yet reported for their diet. This behavior occurred during the driest period of the year (April), and may represent an alternative diet due to the scarcity of the preferred resources of this bird species during this period. The species is known to use habitats associated with water and to feed at low heights or even on the ground. However, this behavior of searching for resources on aquatic vegetation at the water surface in the middle of an urban reservoir has not been described and shows the adaptability of these birds to human environments and their high capacity to find food in the most varied types of habitats.

Abstract Image

蓝翅小鹦鹉(鸟类:鹦鹉科),在巴西东南部水域觅食
蓝翅鹦鹉(Forpus xanthopterygius)广泛分布于南美洲,群居在不同类型的环境中,以水果、种子、花朵和花蜜为食。2023 年,我们在巴西东南部的一个水库岸边观察到一群这种鸟从森林地带迁徙到水生植物区。这些鸟降落在离水面约 45 厘米高的一丛铁线莲的叶子中,吃花蕾和花朵,这是一种尚未报道过的鸟类食物。这种行为发生在一年中最干旱的时期(4 月),可能是由于这一时期该鸟类喜欢的资源稀缺,所以它们选择了另一种食物。众所周知,这种鸟类会利用与水有关的栖息地,并在低空甚至地面觅食。然而,这种在城市水库中央水面的水生植物上寻找资源的行为还没有被描述过,这表明了这些鸟类对人类环境的适应能力,以及它们在最多样的栖息地寻找食物的高能力。
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来源期刊
acta ethologica
acta ethologica 生物-动物学
CiteScore
1.90
自引率
0.00%
发文量
18
审稿时长
>12 weeks
期刊介绍: acta ethologica publishes empirical and theoretical research papers, short communications, commentaries, reviews and book reviews as well as methods papers in the field of ethology and related disciplines, with a strong concentration on the behavior biology of humans and other animals. The journal places special emphasis on studies integrating proximate (mechanisms, development) and ultimate (function, evolution) levels in the analysis of behavior. Aspects of particular interest include: adaptive plasticity of behavior, inter-individual and geographic variations in behavior, mechanisms underlying behavior, evolutionary processes and functions of behavior, and many other topics. acta ethologica is an official journal of ISPA, CRL and the Portuguese Ethological Society (SPE)
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