Marine life of the Canary Islands a total of 5 different species of marine turtle that are sighted periodically in the islands, the most common of these being the loggerhead turtle. The other four are the green, hawksbill, leatherback, and Kemp's ridley turtle. Currently, there are no signs that any of these species breed in the islands, and so those seen in the water are usually migrating. However, it is believed that some of these species may have bred in the islands in the past, and there are records of several sightings of leatherback turtle on beaches in Fuerteventura, adding credibility to the theory. By far
Loggerhead shrike The shrike may also use the thorn to fasten and store its food to return to at a later time. The motion of impalement appears to be instinctive, as parent shrikes do not demonstrate the behavior to their nestlings. However, a young shrike must experience impaling prey upon an actual projection during a critical developmental period; otherwise, it will not learn to use the instinctive impaling action upon an actual projection. Kleptoparasitism has also been observed in nature, in which the shrike chased down another bird and stole its recently-caught prey. Loggerhead shrikes are monogamous birds, and begin breeding during