Borrelli L., Chiandetti C., Fiorito G. (2020). A standardized battery of tests to measure Octopus vulgaris’ behavioural performance. Invert. Neurosci. 20, 4. 10.1007/s10158-020-0237-7 Kohda, Masanori; Hotta, Takashi; Takeyama, Tomohiro; Awata, Satoshi; Tanaka, Hirokazu; Asai, Jun-ya; Jordan, Alex L. (2019). "If a fish can pass the mark test, what are the implications for consciousness and self-awareness testing in animals?". PLOS Biology. 17 (2): e3000021. doi: 10.1371/journal.pbio.3000021. PMC 6366756. PMID 30730878. They are leading the way on renewable energy supply and are highly rated by their customers and the sector. We’re pleased that Coventry will be pivotal to the company’s growth plans.

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Bittel, Jason (18 October 2018). "Water-spitting fish can identify and remember human faces". National Geographic. Archived from the original on 1 November 2018. Povinelli, D. J. (2000). Folk physics for apes. The chimpanzee’s theory of how the world works. Oxford: Oxford University Press.The second aim of the present study was to test a procedure for performing the Mark test in the octopus. To this end, sedated animals were marked with a thin layer of soft tissue adhesive overlaid by a layer of non-toxic nail polish. In the test trials, we observed grooming and attempts at removal of the marks both in the absence of the mirror and by sham-marked individuals. Therefore, it is likely that proprioceptive stimuli, rather than visual stimuli, triggered mark-directed behaviour in our experiment. This idea, together with a progressive reduction of mark-directed response, perhaps due to habituation, would also explain the result that a frequency of touches to the mark greater than 70% was observed when the mirror was not present in the tank, namely in the first test trial ( Table 2). Alternatively, more complex visual stimuli (e.g., reflected images of self) could have diverted octopus’ attention from any proprioceptive stimulus induced by the marks. Future research should therefore explore alternative marking procedures to test MSR in cephalopods. The use of elastomers as marks might provide a valuable option, given that these subcutaneous tags have been successfully employed to monitor octopus populations in the wild ( Brewer and Norcross, 2012), as well as to conduct the Mark test in fish ( Kohda et al., 2019). They also explained that those who made changes after their bill arrived would not be able to benefit in April as their bank would not "have enough time to process the change". This industrial styled mirror that has the frame shape of a gold boat or submarine window. The mirror looks stylish and unique, it will fit perfectly inside a Victorian bathroom, but it will also look great in a hallway or in your Steampunk lounge or dining room if it is paired with another larger mirror. Bottlenose dolphin ( Tursiops truncatus): Researchers in a study on two male bottlenose dolphins observed their reactions to mirrors after having a mark placed on them. Reactions such as decreased delay in approaching the mirror, repetitious head circling and close viewing of the eye or genital region that had been marked, were reported as evidence of MSR in these species. [25] [26] Heyes C. M. (1994). Reflections on self-recognition in primates. Anim. Behav. 47, 909–919. 10.1006/anbe.1994.1123