Coloration evidence for natural selection J. Bowler wrote that Darwin's theory In his 1889 book "Darwinism", the naturalist Alfred Russel Wallace considered the white coloration of Arctic animals. He recorded that the Arctic fox, Arctic hare, ermine and ptarmigan change their colour seasonally, and gave "the obvious explanation", that it was for concealment. The modern ornithologist W. L. N. Tickell, reviewing proposed explanations of white plumage in birds, writes that in the ptarmigan "it is difficult to escape the conclusion that cryptic brown summer plumage becomes a liability in snow, and white plumage is therefore another cryptic adaptation." All the same, he notes, "in spite
Winter Mountain Winter Mountain Winter Mountain is the stage name of singer-songwriter Joseph 'Joe' Francis (Vocals, Guitars, Bass, Piano, Harmonica), based in Cornwall, UK. The brand of music is predominantly Indie Folk / Rock. He is becoming known for his songwriting abilities, high energy live performances and soulful voice. Initially a duo, Winter Mountain, (Francis and Irish songwriter Marty Smyth) toured the UK and Ireland extensively, becoming recognised for their close vocal harmonies (Similar in style to that of Simon and Garfunkel) and distinctive songwriting. They attracted the attention of many major record companies before signing to indie label 'Charcoal Records' in