Evolution of cetaceans decreasing. Other historical climate events can be correlated and matched with the genome history of the Yangtze River dolphin as well. This shows how global and local climate change can drastically affect a genome, leading to changes in fitness, survival, and evolution of a species. The European population of common dolphins ("Delphinus delphis") in the Mediterranean have differentiated into two types: eastern and western. According to a 2012 study, this seems to be due to a recent bottleneck as well, which drastically decreased the size of the eastern Mediterranean population. Also, the lack of population structure between the western and
The Snow Creature transported to Bombay and thence to California. In an odd geographic twist, the return flight heads "west" from India to California (via TWA) – beginning the second act. Upon reaching Los Angeles, Parrish is greeted by reporters who have been made aware of the creature’s existence. A U.S. Customs official informs Parrish that the admission of this creature to the U.S. has been made difficult by a newspaper article published by Peter Wells that refers to the creature using the term “man”. The issue is raised whether the snow-creature is actually human and the officials decide to keep the creature