Difference between revisions of "AY Honors/Small Mammal Pets/Answer Key"

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{{Taxobox
 
{{Taxobox
 
| color = pink
 
| color = pink
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| name = Chinese Hamster
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| name = European Hamster
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| image = Chinese Hamster.jpg
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| status = LR/lc
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| image_width = 220px
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| fossil_range = Middle [[Miocene]] to Recent
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| image_caption = Chinese hamster, white-spotted type
 
 
| regnum = [[Animal]]ia
 
| regnum = [[Animal]]ia
 
| phylum = [[Chordate|Chordata]]
 
| phylum = [[Chordate|Chordata]]
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| ordo = [[Rodent]]ia
 
| ordo = [[Rodent]]ia
 
| familia = [[Cricetidae]]
 
| familia = [[Cricetidae]]
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| genus = ''[[Cricetulus]]''
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| subfamilia = [[Cricetinae]]
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| species = '''''C. griseus'''''
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| genus = '''''Cricetus'''''
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| binomial = ''Cricetulus griseus''
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| genus_authority = Leske, 1779
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| binomial_authority = Milne-Edwards, 1867
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| species = '''''C. cricetus'''''
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}}
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| binomial = ''Cricetus cricetus''
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The '''Chinese Hamster''' is a species of [[hamster]], scientific names ''Cricetulus griseus'', which originates in the [[desert]]s of northern [[China]] and [[Mongolia]]. These animals grow to between 7.5 and 9 cm in length and as adults can weigh 50-75 grams. They live two to three years on average. The Chinese hamster is often kept as a pet or (in the past) as a laboratory animal.  
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| binomial_authority = [[Carolus Linnaeus|Linnaeus]], 1758
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| image = Chomik europejski.jpg
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}}
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The '''European Hamster''', '''''Cricetus cricetus''''', also known as the '''Black-bellied Hamster''', is a species of [[hamster]] native to [[Europe]]. It is typically found in low-lying [[farm|farmland]] with soft [[loam]] or [[loess]] [[soil]]s, although it may also inhabit meadows, gardens, or hedges. It is widely considered a farmland pest, and has also been trapped for its fur. The black-bellied hamster is found from the [[Belgium]] and [[Alsace]] in the west, to [[Russia]] in the east, and [[Romania]] in the south.
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European hamsters are significantly larger than the [[Golden Hamster|Syrian hamsters]] or [[dwarf hamster]]s commonly kept as pets. European hamsters are similar in size to [[guinea pig]]s.
  
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A Chinese hamster's body proportions, compared with those of other hamsters, appear "long and thin" and they have (for a hamster) a relatively long tail. Chinese hamsters are not related to the social [[dwarf hamster|"dwarf" hamsters]]. The term "dwarf" is often used to refer solely to animals in the genus ''Phodopus'', (the two types of [[Phodopus sungorus|Russian Dwarf Hamster]]s and [[Phodopus roborovski|Roborovskii Dwarf Hamster]]s).
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In captivity, the European hamster displays an unusually long life span, living up to the age of eight years. They are very rarely kept as pets and have been known to attack large dogs if they feel threatened. They can also dispel grains and seeds from their cheek pouches with such force, that severe injury can be inflicted upon the target.
  
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The wild colour is greyish brown above with a black stripe down the spine and a whitish belly.  This coloration, combined with their lithe build and longer tail, makes them look "mousy" to some eyes and, in fact, they are members of the group called [[ratlike hamster]]s. Besides the wild colour, a well-known variation is the white-spotted Chinese hamster, which often is greyish white all over, with only a dark stripe on its back.
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==References==
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* {{IUCN2006|assessors=Amori|year=1996|id=5529|title=Cricetus cricetus|downloaded=12 May 2006}}
  
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They have quiet temperaments and are easily handled; one of their endearing traits is that of clinging to a finger with all four paws, rather like a harvest mouse on a corn stalk.  Chinese hamsters can be quite nervous as youngsters but, once they are tame, display an endearing calmness and gentleness of character.
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[[Category:Hamsters]]
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[[Category:Mammals of Europe]]
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In the past, Chinese hamsters were commonly used [[Experimental animal|laboratory animals]], until they were replaced by the common mouse and rat, which are easier to keep and breed. However, quite a few biotech drugs are still being produced by putting the gene for the protein into [[Chinese Hamster Ovary cell|Chinese hamster ovary (CHO) cells]], which then produce the protein.
 
  
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Of note, some [[US]] states such as [[California]] regard the Chinese hamster as a [[Pest (organism)|pest]], and as a result require a special permit to own, breed or sell.  Other states such as [[New Jersey]] call it an [[Introduced species|exotic animal]], and require a similar permit, in order to prevent the proliferation of non-indigenous animals.
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[[de:Feldhamster]]
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[[fr:Hamster d'Europe]]
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[[it:Cricetus cricetus]]
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[[ja:クロハラハムスター]]
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[[li:Korewouf]]
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[[nl:Gewone hamster]]
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[[pl:Chomik europejski]]
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[[ru:Хомяк обыкновенный]]
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[[fi:Eurooppalainen hamsteri]]
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[[sv:Europeisk hamster]]
  
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==The latin name==
 
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There is quite some confusion over the latin name of the Chinese hamster and the closely related [[Chinese striped hamster]]. Some people consider the Chinese hamster (''Cricetulus griseus'') and the Chinese striped hamster (''Cricetulus barabensis'') different species [http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Undef&id=10028], whereas others classify them as identical [http://walnut.bioc.columbia.edu/srs7bin/cgi-bin/wgetz?-id+4mKAd1Sl9c0+%5Btaxonomy-ID:10029%5D+-e], the Chinese striped hamster as a subspecies of the Chinese hamster (in which case the latin name of the Chinese striped hamster would be ''Cricetulus griseus barabensis'') [http://www.ratbehavior.org/pet_rodent_classification.htm] or the other way round (in which case the latin name of the Chinese hamster would be ''Cricetulus barabensis griseus'') [http://www.napak.com/chinese_hamster.html].
 
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==References==
 
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*[http://www.napak.com/chinese_hamster.html The Chinese Hamster]
 
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*[http://www.hamster-heaven.com Hamster Heaven]
 
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*[http://www.nic.funet.fi/pub/sci/bio/life/mammalia/rodentia/cricetidae/cricetulus/index.html Taxonomy of hamsters]
 
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*[http://www.ratbehavior.org/pet_rodent_classification.htm Pet rodent classification]
 
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*[http://www.mike-duquette.org/Hamster_Pages/species.htm Hamster species]
 
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==See also==
 
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*[[Chinese Striped Hamster]]
 
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[[Category:Hamsters]]
 
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[[Category:Mammals of Asia]]
 
  
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[[fr:Hamster de Chine]]
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{{rodent-stub}}
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[[ja:チャイニーズハムスター]]
 
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[[hr:Kineski hrčak]]
 
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[[nl:Chinese dwerghamster]]
 
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[[pl:Chomik chiński]]
 

Revision as of 15:34, 22 November 2006

Template:Taxobox The European Hamster, Cricetus cricetus, also known as the Black-bellied Hamster, is a species of hamster native to Europe. It is typically found in low-lying farmland with soft loam or loess soils, although it may also inhabit meadows, gardens, or hedges. It is widely considered a farmland pest, and has also been trapped for its fur. The black-bellied hamster is found from the Belgium and Alsace in the west, to Russia in the east, and Romania in the south.

European hamsters are significantly larger than the Syrian hamsters or dwarf hamsters commonly kept as pets. European hamsters are similar in size to guinea pigs.

In captivity, the European hamster displays an unusually long life span, living up to the age of eight years. They are very rarely kept as pets and have been known to attack large dogs if they feel threatened. They can also dispel grains and seeds from their cheek pouches with such force, that severe injury can be inflicted upon the target.

References

de:Feldhamster fr:Hamster d'Europe it:Cricetus cricetus ja:クロハラハムスター li:Korewouf nl:Gewone hamster pl:Chomik europejski ru:Хомяк обыкновенный fi:Eurooppalainen hamsteri sv:Europeisk hamster


Template:Rodent-stub

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