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・ Thick-billed cuckoo
・ Thick-billed euphonia
・ Thick-billed flowerpecker
・ Thick-billed fox sparrow
・ Thick-billed grasswren
・ Thick-billed green pigeon
・ Thick-billed ground dove
・ Thick-billed ground pigeon
・ Thick-billed heleia
・ Thick-billed honeyguide
・ Thick-billed kingbird
・ Thick-billed lark
・ Thick-billed miner
・ Thick-billed murre
・ Thick-billed parrot
Thick-billed raven
・ Thick-billed saltator
・ Thick-billed seed finch
・ Thick-billed seedeater
・ Thick-billed siskin
・ Thick-billed spiderhunter
・ Thick-billed vireo
・ Thick-billed warbler
・ Thick-billed weaver
・ Thick-eared bat
・ Thick-film dielectric electroluminescent technology
・ Thick-lipped gourami
・ Thick-lipped pebblesnail
・ Thick-skinned deformation
・ Thick-spined porcupine


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Thick-billed raven : ウィキペディア英語版
Thick-billed raven

The thick-billed raven (''Corvus crassirostris''), a corvid from the Horn of Africa, shares with the common raven the distinction of being the largest bird in the corvid family, and indeed the largest of the most diverse bird order, the passerines. The thick-billed raven measures in length and weighs on average.〔(【引用サイトリンク】title=Crows and Jays - General characteristics )〕 It has a very large bill that is laterally compressed and is deeply curved in profile giving the bird a very distinctive appearance. This bill is black with a white tip and has deep nasal grooves with only light nasal bristle covers.
This raven has very short feathers on the head, throat and neck. The throat and upper breast have an oily brown gloss, while the rest of the bird is glossy black except for a distinctive white patch of feathers on the nape and onto the neck.
==Distribution and habitat==
Its range covers Eritrea, Somalia and Ethiopia; its habitat includes mountains and high plateau between elevations of 1500 to 3400 metres.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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