{"id":29741,"date":"2020-08-12T17:03:22","date_gmt":"2020-08-12T22:03:22","guid":{"rendered":"https:\/\/lafeber.com\/pet-birds\/?p=29741"},"modified":"2025-09-03T22:56:49","modified_gmt":"2025-09-04T03:56:49","slug":"inside-dr-pepperbergs-lab-did-griffin-stealthily-steal-banana-slices","status":"publish","type":"post","link":"https:\/\/lafeber.com\/pet-birds\/inside-dr-pepperbergs-lab-did-griffin-stealthily-steal-banana-slices\/","title":{"rendered":"Inside Dr. Pepperberg’s Lab: Did Griffin Stealthily Steal Banana Slices?"},"content":{"rendered":"
\"African
Griffin and Athena keep a careful watch of their bowls. Courtesy of Dr. Irene Pepperberg<\/figcaption><\/figure>\n

I\u2019ve written before about Athena engaging in what appeared to be deceptive behavior, but
\none of my former research associates, Francesca, recently shared this incident about Griffin. It seems that he may also be acting in interesting ways!<\/p>\n

This incident involves Griffin\u2019s attempt to steal banana slices from Athena. Every morning, both Grey parrots are fed breakfast by one of my research assistants. Francesca, who worked at the lab from 2016 to 2019 and observed the following behavior, always placed both birds on the wide sink counter near her while preparing breakfast, so she could monitor and interact with them, and feed them more efficiently.<\/p>\n

Griffin’s Possibly Deceptive Behavior?<\/h3>\n

She always placed Griffin on the countertop along with both birds\u2019 food bowls (which have different\u00a0 patterns \u2014 the same bird always eats from the same bowl), while she placed Athena on a short wooden T-stand also placed on the countertop near her own bowl. Francesca\u2019s rationale was that Griffin often prefers to perch on flat surfaces, and placing both birds on the same area without constant supervision can result in minor squabbles; thus, she placed Athena out of Griffin\u2019s direct reach. She placed each bird\u2019s individual food portions inside their respective bowls: Griffin would walk directly to his own to eat, and Francesca would lift Athena\u2019s up to her perch so she could reach it (see below for the current arrangement, which is quite similar). Note that each bird receives about a quarter of a banana per day, cut into three or four thick round slices.<\/p>\n

Griffin hardly ever approaches Athena\u2019s bowl, focusing instead on his own portion exclusively. On rare occasions when he does wander toward her bowl, Francesca was always at the counter and either gently admonished him and moved Athena\u2019s bowl out of his reach, or she picked Griffin up and returned him to his own bowl. On one occasion, however, she recalls having to leave the counter for an extended period of time to conduct another part of the morning opening procedure that was not proceeding properly. She does not specifically remember the issue, but common delays could include occasional difficulties with the lab humidifier or steaming of the breakfast vegetables.<\/p>\n

Griffin Makes His Move<\/h3>\n

Normally Athena was left on her T-stand when such chores went quickly. Francesca believes that on this particular occasion the complication was taking longer than usual to resolve and, not being comfortable leaving Athena and Griffin unattended in the same space, she had placed Athena on her shoulder. After a few minutes away from the sink, she noticed, from the corner of her eye, that Griffin was moving along the countertop more than usual, and began to watch his actions carefully (but intentionally without turning toward him or in any way alerting him that she was watching).<\/p>\n

She observed Griffin methodically walk over to Athena\u2019s bowl from his (a distance of about 30 to 45 cm), select a piece of banana, and carry it back to his own bowl, placing it with his own banana portion. Shocked, she watched him repeat this action two or three more times before she intervened, walking over to the counter and re-allocating to Athena\u2019s bowl the correct portion of banana.<\/p>\n

Notable Actions<\/h3>\n

This observation is interesting for several reasons. First, Griffin did not simply walk to Athena\u2019s bowl and eat some of her banana portion instead of his own (a situation in which he would have spent more time visibly near Athena\u2019s bowl, and thus been more likely to be noticed before consuming the banana). Rather, he appeared to be methodically moving Athena\u2019s banana slices to his own bowl, with the possible expectation that when each bowl would be placed on top of the correct bird\u2019s cage after breakfast, as is the daily protocol, he would get to keep the extra.<\/p>\n

Second, Francesca recalls having, at the time, the distinct impression that Griffin had waited until both she and Athena were neither nearby or paying attention before acting. She recalls being distracted for several minutes before noticing Griffin\u2019s actions, and though she recounts that she cannot be sure Athena was not on her T-stand on the counter, as during a \u201cnormal\u201d breakfast procedure (which she had conducted hundreds of times, and thus cannot remember exactly where Athena was in this one memory), she does believe that Athena was with her because she never left both birds unattended in the same space for longer than a few seconds, as would have been the case here.<\/p>\n

What About Athena?<\/h3>\n

Francesca does not recall Athena reacting to Griffin\u2019s actions in any way while he was taking her banana: It is likely, were Griffin indeed taking Athena\u2019s banana while she was watching from her T-stand, that she would have jumped down to intervene, something she is perfectly capable of doing, as they are generally quite possessive of their bowls \u2014 but this did not occur. This event suggests that Griffin had some understanding of who was or was not watching him, what they might do in response to his actions, and how he could act so as to keep the stolen banana slices.<\/p>\n

Did Griffin Display “Theory Of Mind?<\/h3>\n

If Griffin were indeed aware of the attentional state of others while attaining his food prize, his behavior would suggest some level of \u201ctheory of mind\u201d\u2014 of being aware of what others do and do not know. Only one instance exists of Griffin performing this behavior; however, he was clearly attempting to keep more banana for himself for later consumption, rather than just immediately consuming as much of Athena\u2019s banana as possible. Griffin\u2019s actions do appear to fit the behavioral criteria for what is known as \u201ctactical deception\u201d\u2014 simply misleading another individual as to the existence of banana in Athena\u2019s bowl. Had it additionally been possible to prove he was truly aware of the attentional state of Athena and Francesca, and using that information to his advantage, the incident could suggest intentional deception and thus “theory of mind.”<\/p>\n

It seems as though we will have to wait to find out the extent of Griffin\u2019s understanding, but these kinds of anecdotes are important \u2014 they make us aware of what kinds of information the birds might be processing, and thus ensure that we pay a lot more attention to their actions in the laboratory outside of our formal experiments.<\/p>\n","protected":false},"excerpt":{"rendered":"

In her latest blog, Dr. Irene Pepperberg points out the importance of paying attention to African greys Griffin and Athena’s actions outside of formal cognitive behavior experiments. Case in point, Griffin’s seemingly stealth maneuver to score more of a favorite treat. <\/p>\n","protected":false},"author":23,"featured_media":29742,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[81],"tags":[],"class_list":["post-29741","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-behavior"],"acf":[],"yoast_head":"\nInside Dr. Pepperberg's Lab: Did Griffin Stealthily Steal Banana Slices? – Pet Birds by Lafeber Co.<\/title>\n<meta name=\"description\" content=\"Dr. Irene Pepperberg relates an anecdote about African grey Griffin that could point to him being capable of intentional deception.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lafeber.com\/pet-birds\/inside-dr-pepperbergs-lab-did-griffin-stealthily-steal-banana-slices\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Inside Dr. Pepperberg's Lab: Did Griffin Stealthily Steal Banana Slices? 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