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Glossy Swiftlet

Collocalia esculenta

Last update: 24 Mar 2026

Glossy Swiftlet 的基本信息

Scientific NameCollocalia esculenta
Status LC 无危
Size9-10 cm (4-4 inch)
Colors
Black
White
Type
Tree-clinging Birds
type
FamilySwifts

简介

白腰金丝燕 (Collocalia esculenta) 是一种属于雨燕科的迷人物种。这种小鸟以其卓越的飞行敏捷性和独特的筑巢习性而闻名,是金丝燕家族中的重要成员。它们常在各种环境中被观察到,并通过控制昆虫数量在生态系统中发挥着至关重要的作用。

外貌特征

白腰金丝燕是一种体型极小的鸟类,体长约为 9-10 厘米。其羽毛主要呈深邃且带有虹彩光泽的黑色,使该鸟在阳光下呈现出特征性的亮丽外观。与其形成鲜明对比的是下体(特别是腰部和腹部区域)较浅的颜色,通常呈白色,提供了清晰的视觉辨识度。

栖息地

这些鸟类具有极强的适应性,可见于多种环境。它们通常出现在热带森林、林间空地以及人类定居点附近。作为攀树鸟类,人们经常看到它们在垂直表面或悬崖上休息,尽管它们在开阔的空中觅食时最为活跃。

饮食习性

白腰金丝燕是严格的食虫动物。其饮食由多种小型飞行昆虫组成,它利用宽阔而特殊的喙在飞行中捕捉这些昆虫。其高超的狩猎能力使其能够在昆虫密度较高的区域(如森林边缘和林冠空隙)繁衍生息。

繁殖与筑巢

与某些仅在深邃洞穴中筑巢的金丝燕不同,白腰金丝燕以在较为暴露的区域筑巢而闻名,包括岩石裂缝、洞穴口,有时甚至在建筑物的檐下。它们使用唾液、植物材料和苔藓筑巢,形成一个随着时间推移而变硬的杯状结构。

行为习性

这些鸟类具有极强的社交性,经常可以看到它们以充满活力的小群集体飞行。它们是飞行大师,能够快速机动以捕捉猎物。在非飞行状态下,它们利用锋利的爪子攀附在垂直表面上,这一行为定义了它们作为攀树鸟类的分类。

保护现状 - LC 无危

白腰金丝燕目前被世界自然保护联盟(IUCN)列为无危(Least Concern)。由于其分布广泛且能够适应人为改变的景观,其种群数量在大部分分布范围内保持稳定。

趣闻轶事

  1. 白腰金丝燕利用回声定位在黑暗的筑巢地点导航,尽管其系统比某些其他穴居物种简单。
  2. 它们的巢穴非常耐用,通常可以维持多个繁殖季节。
  3. 它们生命中的绝大部分时间都在空中度过,仅在栖息或照料巢穴时才会着陆。

观鸟者提示

要搜寻白腰金丝燕,请在它们觅食最活跃的黎明或黄昏时分寻找。使用双眼镜观察它们快速且不规则的飞行轨迹。由于它们常出现在悬崖面或高大森林结构附近,扫描这些景观附近的空中轮廓将增加成功目击的机会。

结论

白腰金丝燕是鸟类适应能力的卓越典范。从其专业的狩猎技巧到独特的筑巢习惯,它一直是鸟类学家和普通观鸟者共同感兴趣的物种。保护它们的自然栖息地可确保这些敏捷的空中特技表演者在野外继续繁衍生息。

Glossy Swiftlet Distribution Map & Range

Official Distribution Data provided by
BirdLife International and Handbook of the Birds of the World (2025)

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