A recent study by the City University of Hong Kong in collaboration with the University of Sydney has found that unlike other domesticated mals like dogs, horses, or goats; Kangaroos, which have never been domesticated can intentionally, communicate with humans.
The research involved kangaroos, marsupials that were never domesticated, at three locations across Australia and revealed that kangaroos gazed at a human when trying to access food which had been put in a closed box. The kangaroos used gazes to communicate with the human instead of attempting to open the box themselves, a behaviour that is usually expected for domesticated mals.
Ten out of 11 kangaroos tested actively looked at the person who had put the food in a box to get it (this type of experiment is known as 'the unsolvable problem task'). Nine of the 11 kangaroos additionally showed gaze alternations between the box and the person present, a heightened form of communication where they look between the box and human.
The research builds on previous work in the field which has looked at the communication of domesticated mals, such as dogs and goats, and whether intentional communication in mals is a result of domestication.
Lead author Dr Alan McElligott, the University of Roehampton (now based at the City University of Hong Kong), previously led a study which found goats can understand human cues, including pointing, to gather information about their environment.
Dr Alan McElligott said: "Through the new study, we were able to see that communication between mals can be learnt and that the behaviour of gazing at humans to access food is not related to domestication. Indeed, kangaroos - showed a very similar pattern of behaviour we have seen in dogs, horses and even goats when put to the same test.
"Our research shows that the potential for referential intentional communication towards humans by mals has been underestimated, which signals an exciting development in this area. Kangaroos are the first marsupials to be studied in this manner and the positive results should lead to more cognitive research beyond the usual domestic species," he said.
According to Dr Alexandra Green, School of Life and Environmental Sciences at the University of Sydney, Kangaroos are iconic Australian endemic fauna which is adored by many worldwide but also considered as a pest. This research draws attention to the cognitive abilities of kangaroos and helps foster more positive attitudes towards them.
( With inputs from ANI )
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