Northern rockhopper penguin been caused by a vicariant event caused by a shift in the position of the Subtropical Front during the mid-Pleistocene climate transition. Analysis of a part of a mitochondrial control region from a northern rockhopper penguin found on the Kerguelen Islands showed that it may have come from Gough Island, 6,000 km away, and that the southern and northern rockhoppers are genetically separate, though some individuals may disperse from their breeding colonies. Many taxonomists have yet to recognize the split, although some are beginning to do so. More than 99% of northern rockhoppers breed on Tristan da Cunha and Gough
The Golden Bird The Golden Bird "The Golden Bird" is a Brothers Grimm fairy tale, number 57, about the pursuit of a golden bird by a gardener's three sons. A French version, collected by Paul Sébillot in "Littérature orale de la Haute-Bretagne", is called "Le Merle d'or" (The Golden Blackbird). Andrew Lang included that variant in "The Green Fairy Book" (1892). It is Aarne-Thompson folktale type 550, "The Golden Bird", a Supernatural Helper. Other tales of this type include "The Bird 'Grip'", "The Greek Princess and the Young Gardener", "Tsarevitch Ivan, the Fire Bird and the Gray Wolf", "How Ian Direach got the