PUBLISHED: . 12:11 EST, 27 December 2012 . | . UPDATED: . 11:08 EST, 31 December 2012 . Dolphins in a popular Australian resort have been spotted giving presents to human visitors. Researchers revealed the astonishing find in a new research paper analysing the animals at the Tangalooma Island Resort in Australia. On 23 occasions over the past several years, wild dolphins were observed . giving gifts to humans, including eels, tuna, squid, and even an octopus. Scroll down for video . Tourists at the resort playing with the Dolphins. Researchers found 23 occurences of dolphins giving humans gifts including fins and even an octopus . 'Gift giving has become an established but infrequent part of the culture of the provisioned dolphins at Tangalooma,' the researchers say in a paper pushed in . the journal Anthrozoös: A Multidisciplinary Journal of the Interactions . of People & Animals. The wild dolphins that were observed giving gifts to human in Australia . were regular visitors to a provisioning program at the Tangalooma Island . Resort which began in 1992. Each evening . staff members from the resort wade into the ocean to feed the wild . dolphins fish. In 1998, an adult male dolphin named Fred was observed giving a dead . moray eel to one of the staff members. Since then, staff members have . documented an additional 22 other events. 'Since July 1998, biologists managing the program have documented 23 occurrences of 'giftgiving,' when several of the provisioned dolphins have offered wild-caught cephalopod or fin fish species to staff members,' the researchers wrote. Fred, the first dolphin recorded giving gifts to a human at the resort . Tinkerbell and Storm, two of the dolphins found to be bringing gifts to human handlers at the resort . Dolphins of a wide group of ages and both sexes engaged in the gift-giving . behavior, and scientists are not entirely sure of what is motivating . their behavior. Food sharing in animals is often motivated by an urge to . play, a desire to reciprocate food sharing or the belief that the . recipient of the food is an incompetent hunter, they claim. Based on their detailed . observations, the scientists think that gift giving among the wild . dolphins at the Tangalooma Island Resort was likely a form of play . behavior. 'Gift giving may occur either as a discreet behavior (that may be a sequel to one or more other behaviors such as play or food preparation), or as a part of other behaviors, such as play and/or food sharing,' the team, Bonnie Holmes and David Neil of the University of Queensland in Brisbane, said. 'It is most likely a  manifestation of the particular relationship between the provisioned dolphinsand the human participants in the provisioning. 'Gift giving has become an established but infrequent part of the culture of the provisioned dolphins at Tangalooma.' The resort is well known for its dolphin encounters, where the wild animals come to the beach.
Wild dolphins in the Tangalooma Island Resort in Australia were spotted gift giving 23 times .
Gifts included eels, tuna, squid and an octopus .
Researchers say gift giving between species is extremely rare .
PUBLISHED: . 12:11 EST, 27 December 2012 . | . UPDATED: . 11:08 EST, 31 December 2012 . Dolphins in a popular Australian resort have been spotted giving presents to human visitors. Researchers revealed the astonishing find in a new research paper analysing the animals at the Tangalooma Island Resort in Australia. On 23 occasions over the past several years, wild dolphins were observed . giving gifts to humans, including eels, tuna, squid, and even an octopus. Scroll down for video . Tourists at the resort playing with the Dolphins. Researchers found 23 occurences of dolphins giving humans gifts including fins and even an octopus . 'Gift giving has become an established but infrequent part of the culture of the provisioned dolphins at Tangalooma,' the researchers say in a paper pushed in . the journal Anthrozoös: A Multidisciplinary Journal of the Interactions . of People & Animals. The wild dolphins that were observed giving gifts to human in Australia . were regular visitors to a provisioning program at the Tangalooma Island . Resort which began in 1992. Each evening . staff members from the resort wade into the ocean to feed the wild . dolphins fish. In 1998, an adult male dolphin named Fred was observed giving a dead . moray eel to one of the staff members. Since then, staff members have . documented an additional 22 other events. 'Since July 1998, biologists managing the program have documented 23 occurrences of 'giftgiving,' when several of the provisioned dolphins have offered wild-caught cephalopod or fin fish species to staff members,' the researchers wrote. Fred, the first dolphin recorded giving gifts to a human at the resort . Tinkerbell and Storm, two of the dolphins found to be bringing gifts to human handlers at the resort . Dolphins of a wide group of ages and both sexes engaged in the gift-giving . behavior, and scientists are not entirely sure of what is motivating . their behavior. Food sharing in animals is often motivated by an urge to . play, a desire to reciprocate food sharing or the belief that the . recipient of the food is an incompetent hunter, they claim. Based on their detailed . observations, the scientists think that gift giving among the wild . dolphins at the Tangalooma Island Resort was likely a form of play . behavior. 'Gift giving may occur either as a discreet behavior (that may be a sequel to one or more other behaviors such as play or food preparation), or as a part of other behaviors, such as play and/or food sharing,' the team, Bonnie Holmes and David Neil of the University of Queensland in Brisbane, said. 'It is most likely a  manifestation of the particular relationship between the provisioned dolphinsand the human participants in the provisioning. 'Gift giving has become an established but infrequent part of the culture of the provisioned dolphins at Tangalooma.' The resort is well known for its dolphin encounters, where the wild animals come to the beach.
Island Resort in Australia. On 23 occasions over eels, tuna, squid, and even an octopus. Scroll at the Tangalooma Island . Resort which began in that gift giving among the wild . dolphins at the