| 词条 | Igor (walrus) |
| 释义 |
| name = Igor | image = | image_size = | caption = | birth_name = | othername = | species = Walrus | breed = | gender = | birth_date = | birth_place = | death_date = 11 April 2013 | death_place = Harderwijk, Netherlands | resting_place = | resting_place_coordinates = | known = Subject of scientific research, playing checkers against world champion and playing in Animal Crackers | weight = 1800 kg[1] | height = | appearance = }}Igor (born 1982 or 1983 – 11 April 2013) was a male walrus that lived in the Dolfinarium Harderwijk, where he was also subject of scientific research. He had played international draughts against world champion Ton Sijbrands.[2] Igor also featured in the television show Animal Crackers with Dutch comedian André van Duin.[3] Near the end of his life Igor fell ill, lost the will to eat and suffered from his shoulderjoint. After his condition further deteriorated the Dolfinarium decided to euthanize him. His remains were sent to the faculty of veterinary medicine of Utrecht University for further investigation.[4] Subject of researchAs well as the other walrusses at the Dolfinarium Igor was the subject of scientific research. Igor participated in research concerning the functioning of walrus whiskers. With his whiskers Igor was able to differentiate between circles and triangles and showed this by shaking his head in different ways. Igor was able to recognize the shapes until they reached the size of the tip of a pen. Which showed that walrus whiskers have a similar sense of touch as human fingertips.[3] Another study investigated the effects of drilling for oil and gas on walruses by subjecting Igor to different noises by letting him wear headphones.[5] References1. ^{{cite web|author= |url=http://www.destentor.nl/regio/harderwijk/walrus-igor-is-overleden-1.3761951 |title=Walrus Igor is overleden |language=Dutch |publisher=De Stentor |date=11 April 2011 |accessdate=29 August 2013}} 2. ^{{cite web|author= |url=http://www.anp-archief.nl/page/2130559/nl |title=Nederlands bekendste dammer Ton Sijbrands moest het maandag opnemen tegen een ongebruikelijke tegenstander. |language=Dutch |publisher=ANP |date=12 June 1995 |accessdate=30 August 2013}} 3. ^1 {{cite web|author= |url=http://www.dolfinarium.nl/nl/het-park/walrus-igor-overleden-2 |title=Walrus Igor overleden |language=Dutch |publisher=Dolfinarium Harderwijk |date=11 April 2013 |accessdate=29 August 2013}} 4. ^{{cite web|author= |url=http://www.volkskrant.nl/vk/nl/2686/Binnenland/article/detail/3424661/2013/04/12/Verslagenheid-in-Dolfinarium-na-dood-walrus-Igor-30.dhtml |title=Verslagenheid in Dolfinarium na dood walrus Igor (30) |language=Dutch |publisher=de Volkskrant |date=12 April 2013 |accessdate=29 August 2013}} 5. ^{{cite web|author= |url=http://www.refdag.nl/oud/bin/010414binfo02.html |title=Walrus Igor met koptelefoon. |language=Dutch |publisher=Reformatorisch Dagblad |date= |accessdate=30 August 2013}} 4 : 2013 animal deaths|Individual walruses|Dolfinarium Harderwijk|Individual animals in the Netherlands |
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