Gazelle : The Palestinian Biological Bulletin (ISSN 0178 – 6288) . Number 141, September 2016, pp. 1-19. | Page 10

10 Prof. Dr. Sc. Norman Ali Bassam Khalaf-von Jaffa examining a Whale Vertebrae Bone at the Diving Village, Heritage Village, Dubai, United Arab Emirates. 19.03.2015. https://www.flickr.com/photos/50022881@N00/16926428856/ The Killer whale or Orca (Orcinus orca) is the largest of the dolphins and easily recognized by its striking black-and white coloration that includes an oval white patch above the eyes (Jongbloed, 2004). Orcas grow to 10 m in length and weigh in at 8 tonnes. They live and hunt in pods of up to 30 individuals. They make a great display of activity, spouting loudly, breaching and lobtailing as well as spyhopping - behaviour by which the Gazelle : The Palestinian Biological Bulletin – Number 141 – September 2016