Rockhopper penguin Northern Rockhopper; and the "Eudyptes chrysocome", the Southern Rockhopper. They are separated by their locations of breeding. There are four other species in the genus "Eudyptes": "E. pachyrhynchus", "E. robustus", "E. chrysolophus", and "E. schlegeli". The three subspecies of the rockhopper penguin are believed to have split up because of latitude and watermasses rather than because of geographic distances. Research suggests that during the early Pleistocene, the Southern Ocean was cold and rockhopper populations from the Atlantic and Indian Oceans remained undifferentiated and lived in the same watermass. The mid-Pleistocene climatic transition was associated with the southward migration of frontal
Rockhopper Exploration clearly defined lines of responsibility and executive management has a number of financial and operational responsibilities delegated to it. Rockhopper Exploration Rockhopper Exploration PLC (LSE:RKH) is an oil and gas exploration company headquartered in Salisbury, Wiltshire, United Kingdom. It owns offshore exploration and production licences in the North Falkland Basin in the waters north of the Falkland Islands. Rockhopper is listed on the Alternative Investment Market of the London Stock Exchange. Rockhopper was founded in 2004 to explore for oil and gas in the Falkland Islands. It received a listing on the AIM market in 2005. On 16 April 2010,