'Horror frog' breaks own bones to produce claws | 台北市立動物園資訊網
2008年5月27日—HairyfrogsfromtheCameroonhaverevealedaremarkablemechanismthatcausesthorn-likeclawstoburstthroughtheskinwhenitis ...
Male Hairy Frogs grow threads of vascularised skin during mating season – More images below
(Image: Gustavocarra / Creative Commons License)
The sharp bony claws look like small barbs
(Image: Blackburn)
The claw breaks away from a small piece of bone (see arrow) at the tip of the frog’s toe
(Image: Blackburn)
“Amphibian horror” isn’t a movie genre, but on this evidence perhaps it should be. Harvard biologists have described a bizarre, hairy frog with cat-like extendable claws.
Trichobatrachus robustus actively breaks its own bones to produce claws that puncture their way out of the frog’s toe pads, probably when it is threatened.
David Blackburn[1] and colleagues at Harvard University’s Museum of Comparative Zoology...
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'Horror frog' breaks own bones to produce claws | 台北市立動物園資訊網
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【鱷龜】:鱷龜科;
北美洲最大的淡水龜，頭大，嘴如鷹喙，背上有三列發達的鋸齒狀脊稜，在肋盾和緣盾間有一排較小的鱗片，尾巴長。全身為深褐色...
【圓眼珍珠蛙】:細趾蟾科;
中大型蛙類，體型圓胖扁平，後肢短，嘴巴很大。眼睛圓且突出，瞳孔略成菱形。身體背部為灰褐色，上面帶有橄欖綠色或暗橘色斑...