Waders
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great egret

great egret

Ardea alba

Last update: 20 Mar 2026

Great Egret 的基本信息

Scientific NameArdea alba
Status LC 无危
Size90-102 cm (35-37 inch)
Colors
White
White
Type
Waders
type
FamilyHerons

Great Egret 在其他语言中的名称

assameseবৰ বগ
frenchGrande Aigrette
gujarati મોટો સફેદ બગલો, મોટો ધોળો બગલો
hindiबगुला
kannadaದೊಡ್ಡ ಬೆಳ್ಳಕ್ಕಿ
malayalamപെരുമുണ്ടി
marathiबगळा
nepaliठूलो सेतोबकुल्ला

简介

大白鹭 (Casmerodius albus) 是一种令人惊叹的大型白鸟,是全球湿地优雅的象征。作为鹭科的一员,这一雄伟的物种以其优雅的体态和在各种水生环境中卓越的狩猎能力而闻名。

外貌特征

大白鹭的特征是全身洁白的羽毛,身高可达 90-102 厘米,体重可达 950 克。主要识别特征包括:

  • 长而锋利的黄色喙
  • 醒目的黑色腿和脚
  • 飞行时缓慢且有条理,颈部收缩成 S 形,这使其有别于鹳和鹤。

栖息地

这些鸟类适应性极强,可以在各种水域环境中找到。它们偏好的栖息地包括河流、湖泊、沼泽、河口、红树林和珊瑚礁。虽然它们在狩猎时通常独来独往,但已知它们会成群结队地栖息。

饮食习性

大白鹭是一种熟练的捕食者,主要在浅水区或较干燥的栖息地觅食。其饮食包括:

  • 鱼类和青蛙
  • 小型哺乳动物
  • 小型爬行动物和昆虫

它通常通过静立或缓慢跟踪来狩猎,利用其长喙作为长矛,以闪电般的速度攻击猎物。

繁殖与筑巢

大白鹭通常在群体中繁殖,巢穴常位于水边的树木或灌木丛中。它们用树枝搭建大型平台状鸟巢。在繁殖季节,它们的背部长出纤细的长羽毛,即饰羽,历史上曾在时尚界备受追捧。

行为习性

虽然当食物来源集中时它们可能会集体觅食,但大白鹭通常比其他白鹭物种社交性更弱。它们是耐心的猎手,常长时间等待猎物进入攻击范围。它们也以夜间集体栖息的习性而闻名。

保护现状 - LC 无危

大白鹭目前被世界自然保护联盟 (IUCN) 列为无危物种。然而,由于过去羽毛贸易导致数量下降,它们仍然依赖湿地栖息地的保护,并受到各种候鸟保护法的保护。

趣闻轶事

  1. 大白鹭是美国奥杜邦学会的象征,代表了鸟类保护工作的成功。
  2. 尽管体型巨大,但它们出奇地轻,体重不到一公斤。
  3. 它们飞行时颈部会收缩,而鹳和鹤飞行时颈部会伸展。
  4. 它们锋利的喙像长矛一样,用来刺穿鱼类和其他猎物。

观鸟者提示

要发现大白鹭,请寻找站在浅湿地中一动不动的大型白色身影。使用双筒望远镜从远处观察它们的狩猎技巧,因为它们对人类的存在非常警惕。清晨或傍晚是观察它们活动的最佳时间。

结论

大白鹭是湿地的主宰,将美感与捕食的精准度完美结合。保护我们的沼泽和河流,确保这种标志性的白鹭在未来几代人中继续在全球繁衍生息。

Great Egret 分布图与范围

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

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