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・ Pickin' Up the Pieces (song)
・ Pickin' Wildflowers
・ Picking
・ Picking Cotton
・ Picking Up & Dropping Off
・ Picking Up the Pieces
・ Picking Up the Pieces (Difford & Tilbrook song)
・ Picking Up the Pieces (film)
・ Picking Up the Pieces (Jewel album)
・ Picking Up the Pieces (Paloma Faith song)
・ Picking Up the Pieces (Seventh Day Slumber album)
・ Pickings
・ PICkit
・ Picker Sisters
・ Pickerel
Pickerel frog
・ Pickerel Lake
・ Pickerel Lake (Dakota and Ramsey counties, Minnesota)
・ Pickerel Lake (Freeborn County, Minnesota)
・ Pickerel Lake (Hubbard County, Minnesota)
・ Pickerel Lake (South Dakota)
・ Pickerel Lake Township, Freeborn County, Minnesota
・ Pickerel River
・ Pickerel River (Ontario)
・ Pickerel River CNoR bridge
・ Pickerel, Virginia
・ Pickerel, Wisconsin
・ Pickering
・ Pickering & Chatto Publishers
・ Pickering (crater)


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Pickerel frog : ウィキペディア英語版
Pickerel frog

The pickerel frog (''Rana palustris'') is a small North American frog,〔 characterized by the appearance of seemingly "hand-drawn" squares on its dorsal surface.
==Distinguishing features==
The pickerel frog is a medium sized gray or tan frog marked with seven to twenty-one irregular rectangular dark brown spots which are oriented in two columns down its back.〔Who is the Pickerel Frog. http://people.wcsu.edu/〕 The distinctive rectangular spots of the pickerel frog may blend together to form a long rectangle along the back. All leopard frogs have circular spots. In addition, pickerel frogs have prominent dorsolateral ridges that are unbroken. Another important distinguishing mark is the orange or yellow flash pattern found on the inner surface of the hind legs of pickerel frogs. The frog must be picked up to examine this, as the legs cover the coloration otherwise. The plains leopard frog (''Rana blairi'') exhibits this coloration as well, but the dorsolateral ridges are interrupted and inset medially in that species. The front toes of pickerel frogs are not webbed, a morphological characteristic for some frogs of the genus ''Rana''. This allows pickerel frogs to be fit for terrestrial life.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Pickerel frog」の詳細全文を読む



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