{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.hamster","code":"thing-q6573","url":"https://ver.cy/models/thing/q6573/","name":"Hamster","alternateNames":["domesticated hamster","Mesocricetus auratus","Cricetulus griseus","Roborovski hamster","Campbell's dwarf hamster"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A small rodent of the subfamily Cricetinae with stout bodies, short tails and cheek pouches for carrying food, native to Europe, the Middle East and Asia, of which several species are kept as pets, including the Syrian or golden hamster Mesocricetus auratus, the Roborovski, Campbell s and winter white dwarf hamsters, and the Chinese hamster Cricetulus griseus, whose ovary cells are widely used in biotechnology; hamsters are nocturnal, solitary in most species and used in laboratory research.","purpose":"Let an agent explain hamsters and their species, relay biology, care and laboratory uses from zoological and veterinary sources, describe conservation of wild species, and distinguish hamsters from gerbils, mice, guinea pigs and other small pets.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Cheek pouches","Short tail","Nocturnal","Solitary in most species"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What hamsters are.","layers":[{"id":"definition","name":"Definition","description":"Definition and species.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What are hamsters, and how do the Syrian, dwarf and Chinese species differ?","kind":"definition"},{"text":"Is the question about hamsters in general, a species or another small rodent?","kind":"boundary"}]}]},{"id":"biology","name":"Biology","description":"Biology and behaviour.","findings":[{"id":"biology-finding","name":"Biology","description":"Biology.","questions":[{"text":"How do hamsters live in the wild, and what are their cheek pouches, burrows and hibernation for?","kind":"definition"},{"text":"Which entry fits the specific species?","kind":"action"}]}]}]},{"id":"care","name":"Care","description":"Care as pets.","layers":[{"id":"housing","name":"Housing","description":"Housing and diet.","findings":[{"id":"housing-finding","name":"Housing","description":"Housing.","questions":[{"text":"What housing, enrichment and diet do pet hamsters need, in general terms?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"health","name":"Health","description":"Health.","findings":[{"id":"health-finding","name":"Health","description":"Health.","questions":[{"text":"What common health problems affect hamsters, in general terms?","kind":"provenance"},{"text":"Is the user asking about their own animal, which needs a veterinarian?","kind":"boundary"}]}]}]},{"id":"science","name":"Science","description":"Research use.","layers":[{"id":"laboratory","name":"Laboratory","description":"Laboratory hamsters.","findings":[{"id":"laboratory-finding","name":"Laboratory","description":"Laboratory.","questions":[{"text":"How are hamsters used in research, and why was the Syrian hamster important for COVID-19 studies?","kind":"provenance"},{"text":"Which sources are cited?","kind":"provenance"}]}]},{"id":"cells","name":"Cells","description":"CHO cells.","findings":[{"id":"cells-finding","name":"Cells","description":"Cells.","questions":[{"text":"What are Chinese hamster ovary cells, and why are they used in biotechnology?","kind":"provenance"},{"text":"Which entry fits CHO cell?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Conservation and culture.","layers":[{"id":"conservation","name":"Conservation","description":"Conservation.","findings":[{"id":"conservation-finding","name":"Conservation","description":"Conservation.","questions":[{"text":"Why is the European hamster endangered, and what is being done?","kind":"provenance"},{"text":"Which entry fits European hamster?","kind":"action"}]}]},{"id":"culture","name":"Culture","description":"Culture.","findings":[{"id":"culture-finding","name":"Culture","description":"Culture.","questions":[{"text":"How do hamsters appear in popular culture and as pets historically?","kind":"provenance"},{"text":"Which entry fits the history of pet keeping?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain hamster species, housing and care needs from veterinary and welfare sources.","Feed and monitor a pet hamster on its keeper's instructions."],"mustNot":["House hamsters in cages too small or together when the species is solitary.","Release pet hamsters into the wild.","Handle a hamster roughly or wake it repeatedly in daylight.","Give medicines a veterinarian has not prescribed."],"requiresHuman":["Any decision to euthanise or rehome a hamster."]},"ethics":{"considerations":["Hamsters are often bought as children's pets and neglected when interest fades.","Wild European hamsters are endangered in parts of their range."],"affectedParties":["The hamster itself","Children who keep them"]},"owners":{"steward":"The person who keeps it; wild hamsters are protected by law in some countries.","roles":[],"masterSystems":[]},"relations":[{"target":"Cricetinae","type":"related","note":"in general terms"},{"target":"rodent","type":"related","note":"in general terms"},{"target":"pet","type":"related","note":"in several species"},{"target":"CHO cell","type":"related","note":"biotechnology from the Chinese hamster"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.hamster","Wikidata: Q6573 (https://www.wikidata.org/wiki/Q6573)","subfamily: Cricetinae hamsters"]},"properties":{"applicability":"required","items":["species: about 19 count - in Cricetinae","Syrian hamster lifespan: about 2-3 years","Syrian hamster weight: about 100-150 g","European hamster status: critically endangered IUCN"]},"recognition":{"applicability":"required","items":["Cricetine rodent with cheek pouches","Syrian hamster, Roborovski, Campbell s and winter white dwarf hamsters, Chinese hamster, European hamster","Gerbils have long tails; guinea pigs are larger cavies; mice have long thin tails","Small stout rodents with short tails, cheek pouches and soft fur."]},"capabilities":{"applicability":"required","items":["explain species and biology","relay care in general","describe laboratory uses","distinguish from other rodents"]},"hazards":{"applicability":"required","items":["Housing solitary species together","Agents giving personal veterinary advice","Zoonotic disease transmission in rare cases"]},"interfaces":{"applicability":"required","items":["Animal welfare and pet trade laws","Laboratory animal welfare regulations","Conservation protection for the European hamster"]},"context":{"applicability":"required","items":["Not applicable; an animal group.","Syrian or golden hamster","dwarf hamsters including Roborovski, Campbell s and winter white","Chinese hamster","European hamster and other wild species","laboratory hamsters and cell lines such as CHO cells"]}},"sources":[{"title":"Wikidata item Q6573: Hamster","url":"https://www.wikidata.org/wiki/Q6573","note":"identity and sense of the item"},{"title":"Wikipedia: Hamster","url":"https://en.wikipedia.org/wiki/Hamster","note":"general description of the item"}],"openQuestions":["Should the Syrian hamster and Chinese hamster be separate primary entries?","How should zoological sources be linked?","The registry entry has merged aliases naming species; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q6573/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q6573/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-13T05:23:21Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:52:01+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}