里海燕鸥在黎巴嫩的第二次记录

M. Sawan
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引用次数: 0

摘要

里海燕鸥是一种单型的世界性物种,分布在北美、北欧、非洲、马达加斯加、亚洲、澳大利亚和新西兰。在里海、黑海和波罗的海沿岸,只有三个欧洲种群,大约有4500对繁殖种群。它是最大的燕鸥,翼展平均。体长48 - 56厘米,体重570-780克,翼展127-140厘米。它的体型,粗壮的红色喙,以及没有深分叉的尾巴,使它与该州发现的其他白色燕鸥区别开来。它的黑帽,大红色的喙,以及像燕鸥一样缓慢飞行的习惯,喙向下指向,使它与海鸥区别开来。里海燕雀低沉刺耳的叫声听起来类似于karrr或kraa-ah,在飞行中经常发出。未成熟的鸟的橙色脚与羽翼丰满的成年鸟的黑色脚区别开来。最近,它于2021年9月15日在黎巴嫩首次被记录,第二项记录是在2022年1月18日创造的,这两项记录都是由黎巴嫩北部的Michel Sawan创造的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Second Records of the Caspian Tern Hydroprogne caspia in Lebanon 2022
Caspian Tern Hydroprogne caspia is a monotypic, cosmopolitan species occurring in North America, North Europe, Africa, Madagascar, Asia, Australia, and New Zealand. There are only three European populations of approximately 4,500 breeding pairs along the coasts of the Caspian, Black, and Baltic Seas. It’s the largest of the terns, with a wingspan averaging. It has a body length of 48 - 56 cm, a weight of 570-780 gram and a wing span of 127-140 cm. Its size, stout red bill, and lack of a deeply forked tail distinguishes it from other white terns found in the state. Its black cap, large red bill, and tern-like habit of flying slowly with its bill pointed downward separates it from the gulls. The low harsh call of the Caspian tern sounds similar to karrr or kraa-ah and is given frequently while in flight. The orange feet of immature birds distinguish them from fall-plumaged adults which have black feet. Recently it was recorded for the first time in Lebanon in 15th of September 2021 and the second record was made in 18th of January 2022, both records were made by Michel Sawan in north Lebanon.
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