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| 질의: eurasian bittern | 결과: 4번째/12 | |
Great Bittern (Botaurus stellaris) - Wiki
| 제목: | Great Bittern (Botaurus stellaris) - Wiki
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Great Bittern
From Wikipedia, the free encyclopedia
[Photo] European bittern, Botaurus stellaris. Author: Marek Szczepanek(http://commons.wikimedia.org/wiki/User:Pkuczynski/Marek_Szczepanek) Copyright (C) Marek Szczepanek
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". |
The Great Bittern (Botaurus stellaris) is a wading bird of the heron family Ardeidae.
Description
It is a large, chunky, brown bird, very similar to the American Bittern, Botaurus lentiginosa. It is 69-81 cm (24"-34") in length, with a 100-130 cm wingspan.
Distribution
It is declining in much of its temperate European and Asian range. It is resident in the milder west and south, but migrates south from areas where the water freezes in winter.
in the UK, the main areas are Lancashire and East Anglia with an estimated 44 breeding pairs. Europe as a whoe is estimated at 20-44,000 males.
Behaviour
This bittern is usually well-hidden in Phragmites reedbeds. Usually solitary, it walks stealthily seeking amphibians and fish. If it senses that it has been seen, it becomes motionless, with its bill pointed upward, causing it to blend into the reeds. It is most active at dawn and dusk.
Its folk names include "barrel-maker", "bog-bull", "bog hen", "bog-trotter", and "butterbump", mostly refer to the mating call of the male, which is a deep fog-horn or bull-like boom, easily audible from a distance of 2 miles on a calm night. The Latin for bittern, Botaurus, also refers to the bull. The other part of its scientific name, stellata is the Latin for starry, in reference to its plumage.
Surveys of Bitterns are carried up by noting the number of distinct male booms in a given area.
The Great Bittern is one of the species to which the Agreement on the Conservation of African-Eurasian Migratory Waterbirds (AEWA) applies.
In Fiction
Great Bittern is proposed as a rational explanation behind the mythical creature drekavac in short story Brave Mita and drekavac from the pond by Branko ??opi??.
http://en.wikipedia.org/wiki/Great_Bittern
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