tag:blogger.com,1999:blog-3364138458528542998.post6110219817457302229..comments2017-12-10T04:54:07.514-08:00Comments on Satin BowerBlog: Bzzzt.Bowerbirdhttp://www.blogger.com/profile/10547578501679101657noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-3364138458528542998.post-78183334245841544332009-07-02T13:17:59.763-07:002009-07-02T13:17:59.763-07:00hey dad - we learnt in our animal kingdom module t...hey dad - we learnt in our animal kingdom module that the veins in butterfly wings fill with blood when they first unfold then dry out forming supportive structures. perhaps given their short lifespan they don't need blood supplies to the wings? ellie xxxEllienoreply@blogger.com