Amphiesma vibakari vibakari
Japanese keelback
日計（ヒバカリ）
Photograph by Baikada (ばいかだ)
*CANON EOS KISS DX*
ヒバカリは水辺の環境に好んで生息している。
Japanese keelback inhabits the environment of the waterside willingly.
自身が水分を多く必要とするから水辺に多いというのも理由だと思うが、食べている動物であるカエルやミミズが湿った環境に多いからという理由が大きいので水辺に生息しているのだと思う。
Because themselves need a lot of water, I think that it is a reason that there is many in the waterside. However, I think that they inhabit the waterside because there are many reasons in the environment where a frog and the earthworm which are an animal becoming the bait got wet.
ヒバカリはとても小さなヘビで、50cmを超える個体はかなり稀。同じ水辺を好むヤマカガシやシマヘビと何らかの競争を避けるために、朝昼よりも早朝や夕方、日没後に行動していることが多い。
Japanese keelback is a very small snake, and there are considerably few individuals more than 50cm. The Japanese keelback tends to act in the morning after sunset or in the evening in an early morning from the noon to avoid the struggle for existence with Tiger keelback and the Japanese four lined snake liking the same waterside.
水辺で生活すると、極端な例でいえばアナコンダのように重い体重を水による浮力で軽減し、巨大化してほかの動物から
襲われるのを防ぐこともできる。
The snake living in a waterside reduces the heavy weight by buoyancy like an anaconda and can prevent what they become gigantic, and is attacked by other animals.
でもこのヒバカリは、目立たないように小さく、目立たないような時間帯に行動することで今日まで生きて来ることができた。生き物の、生き抜く戦略はいろんな思惑があって面白い。
But this Japanese keelback made a body small , and chose that they acted in time when they were not outstanding, to survive it until today. The strategy that the creature survives has various expectations and is interesting.
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