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

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{{Taxobox
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:''This article concerns a particular breed of rabbit, the Netherland dwarf.  For information on domestic rabbits in general, see [[Domestic rabbit]].''
| color = pink
 
| name = Syrian or Golden Hamster
 
| image = 100_983.jpg
 
| image_width = 250px
 
| regnum = [[Animal]]ia
 
| phylum = [[Chordate|Chordata]]
 
| subphylum = [[Vertebrate|Vertebrata]]
 
| classis = [[Mammal]]ia
 
| ordo = [[Rodent]]ia
 
| subordo = [[Sciurognathi]]
 
| superfamilia = [[Muroidea]]
 
| familia = [[Cricetidae]]
 
| subfamilia = [[Cricetinae]]
 
| genus = ''[[Mesocricetus]]''
 
| species = '''''M. auratus'''''
 
| binomial = ''Mesocricetus auratus''
 
| binomial_authority = [[George Robert Waterhouse|Waterhouse]], 1839
 
}}
 
  
The '''Syrian Hamster''' or '''Golden Hamster''', ''Mesocricetus auratus'', is the best known member of the [[rodent]] [[subfamily]] [[Cricetinae]], the [[hamster]]s.  They may now be [[extinct]] in nature, but are popular as house pets all across the world, and are also used in scientific research. Adults grow from 12.5 to 17.5 cm (5 to 7 inches) in length, and in captivity will usually live from 2 to 3 years.
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[[Image:Netherlanddwarfbunny.jpg|right|thumb|A pet Netherland Dwarf]]
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The '''Netherland Dwarf''' is a popular [[breed]] of [[domestic rabbit]] (''Oryctolagus cuniculus'').  Smaller than most [[List of rabbit breeds|rabbit breeds]], Netherland dwarf rabbits weigh 1 to 3 [[pound (mass)|lb]] (0.5 to 1.4 kg) and are usually kept as [[pet]]s or [[exhibition]] animals.  They are not typically used as sources of [[meat]] or [[fur]] because their small size makes them inefficient for these purposes.
  
==Biology==
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Most rabbits sold in [[pet store]]s are Netherland dwarfs, Netherland dwarf-[[selective breeding|derived breeds]] (often referred to simply as ''[[#Dwarf breeds|dwarf breeds]]''), or dwarf [[hybrid|crosses]].  Their popularity as pets stems from their [[baby]]ish appearance and their [[cage]] space requirement, which is smaller than that of larger rabbit breeds.
  
Like most members of the subfamily, the Golden Hamster has expandable cheek pouches, which reach from its cheeks to its shouldersIn the wild, hamsters are [[larder hoarding|larder hoarders]], and they use their cheek pouches to transport food to their burrowsThey can load a remarkable amount of food into their pouches; their name in the local [[Arabic language|Arabic]] dialect in the area where they are found translates as "father of saddlebags" &#1571;&#1576;&#1608; &#1580;&#1585;&#1575;&#1576;If food is plentiful, they will store it in large amounts, and it has been reported that 25 kg of grain was found in the burrow of a single hamster.  They are notoriously good at reproducing, with the shortest gestation period of any mammal.
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==History==
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The Netherland dwarf was first bred in the [[Netherlands]], as its name implies, in the early [[20th century]]Medium-sized rabbits of various breeds were bred with wild [[European rabbit]]s of unusually small size; after several generations the resulting animal was a very small domestic rabbit available in a wide variety of colors and patternsNetherland dwarfs were first imported into the [[United Kingdom]] in the [[1950s]]In the [[1960s]] and [[1970s]] the [[United States]] imported its first Netherland dwarf rabbits.
  
[[image:Jan2306_122.jpg|thumb|left|male teddy bear hamster]]
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Early dwarfs, even into the 1970s and [[1980s]], had fearful and sometimes aggressive [[temperament]]s as a result of [[breeder]]s selecting [[breeder (animal)|breeding animals]] for size, not [[personality]]. These rabbits behaved more like [[wild]] rabbits than domestic animals and did not make good pets.  However, through generations of [[selective breeding]], the modern Netherland dwarf has become a gentle, friendly pet rabbit, though it still retains a more energetic disposition than larger breeds.
  
Most hamsters in American and English pet stores are Syrian Hamsters.  Originally, Syrian Hamsters came in just one color--the mixture of brown, black, and gold which gave them their "Golden" name--but they have since developed a myriad of color mutations such as cream, white, blonde, banded, tortoiseshell, calico, and sable.  Therefore in pet stores today, ''Golden Hamster'' is only used to label the orginal coloration, while the other-colored short-hairs are banded under the lable ''Fancy Hamster''.  ''Teddy Bear'' is a term used to describe the long-haired variety of the Syrian Hamster, named so for their remarkable resemblance to toy teddy bears.  Male teddy bear hamsters usually have much longer fur than the female variety, culminating in a "skirt" of longer fur around their backsides.  ''Black Bears'' are a recent off-shoot of teddy bear hamsters (mutation discovered in 1985), with their major difference being their black-colored fur.  It can be argued that black bears are just black teddy bears rather than their own breed; on the other hand, black bears are selectively bred for their larger size and more docile nature as well as their color.
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==Appearance==
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[[Image:Netherlanddwarf-loki.jpg|thumb|right|Young Netherland dwarf in a mismarked Himalayan pattern]]
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[[Purebred]] Netherland dwarfs come in a wide variety of colors, including [[List of rabbit breeds#Himalayan|Himalayan]], Red, Siamese, [[List of rabbit breeds#Chinchilla|Chinchilla]], Blue, and White-tipped BlackOther colors (called ''mismarks'') exist in non-show-quality Netherland dwarfs and in dwarf [[mongrel]] rabbits.
  
Syrian Hamsters are wildly popular as housepets due to their docile, inquisitive natures and small sizeThey are popular as "first pets" for young children, as well as being classroom animals, because of their hardiness and relative ease of careSome pet owners find them more attractive in relation to rats and other rodents due to their lack of visible tails.
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Netherland dwarfs' [[head]]s and [[eye]]s are disproportionately large with respect to their bodies, and their ears are tiny and carried high on the headAdditionally, their faces are rounded and shortenedThese features, a part of the animals' [[dwarfism]], cause them to look [[infant]]ile even into [[adulthood]].
  
Syrian Hamsters have also been used in scientific research--in the study of many diseases, as well as in the study of behaviour.  They have a number of [[fixed action pattern]]s that are readily observed, including scent-marking.  They are particularly used in airway and respiratory physiology research.
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Dwarf crosses frequently retain some of these characteristics, depending on the breed the dwarf is crossed with.  However, crosses rarely look as babyish as the [[purebred]] dwarfs and are usually somewhat larger.
  
== Discovery ==
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==Netherland dwarfs as pets==
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:''Main article: [[Domestic rabbit#Rabbits as Pets|Domestic rabbit]]''
  
[[Image:hamster.jpg|thumb|right|albino golden hamster]]
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===Behavior===
In [[1839]] [[Britain|British]] [[zoologist]] [[George Robert Waterhouse]] reportedly found an elderly female hamster in Syria, naming it ''Cricetus auratus,'' the Golden Hamster. The hamster's fur was on display at the [[British Museum (Natural History)]].  The Syrian Hamster was then ignored by European science for the next century. Around 1930, zoologist and Professor at the University of Jerusalem [[Israel Aharoni]] found a mother and litter of hamsters in the [[Syria]]n desert. By the time he got back to his lab, most had died or escaped. The remaining hamsters were given to the [[Hebrew University of Jerusalem]], where they were successfully bred. They were a bit bigger than the ones Waterhouse found, so they were named ''Mesocricetus auratus'', although they were probably the same species. ''Mesocricetus auratus'' is the currently accepted scientific name of Syrian Hamsters.
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Netherland dwarf rabbits have the same basic behavioral traits as other domestic rabbits. They can be litter-trained and socialized with [[dog]]s and [[cat]]s.  
  
Descendants of these hamsters were shipped to scientific labs around the world, for use as research animals. They arrived in the [[United Kingdom]] in 1931, and in 1938 reached the United States. Soon after their initial discovery, they were found to make great petsJust about all Golden Hamsters are descended from the original litter found in Syria, except for a few that were brought into the United States by travellers who found them in the desert. A separate stock of hamsters was imported into the US in 1971, but it isn't known if any of today's North American pets are descended from them.
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They tend to have [[wikt:spunky|spunkier]] and more energetic [[temperament]]s than larger breeds of rabbit and are rarely content to sit still when outside of the cage.  They are curious animals and have a tendency to nibble on nearby objects and even human beings.  However, they are extremely fragile animals and easily stressed, and as such they do not make good pets for young children.  
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===Diet===
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Like other domestic rabbits, dwarf rabbits consume [[grasses]], [[cereal|grains]], and other succulent [[Leaf vegetable|greens]]. Their [[digestive system]] is somewhat less hardy than their larger cousins, and many leafy vegetables such as lettuce and cabbage can give them health problemsGenerally [[hay]] and a [[pellet]]ed feed should make up the largest portion of their diet.
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 +
==Dwarf breeds==
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Dwarf rabbits only eat for a healthy diet is lettice,carrots,grass,greenleafs,hay, and mostly cabbage
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if you want to know more about these wonderful creatures go to google.com and type my web site dwarf rabbits.com and you will learn more!!!!! seriously!
  
 
==See also==
 
==See also==
*[[Hamster]]
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*[[List of rabbit breeds]]
 
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*[[American Rabbit Breeders' Association]]
==External links==
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*[[Cuteness]]
*[http://www.xander.it/video.htm Xander.it] - Golden hamsters video collection
 
*[http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&id=10036&lvl=3&keep=1&srchmode=1&unlock Genome information]
 
*[http://www.freedigitalphotos.net/thumbnails.php?album=9 Pictures of a Syrian or golden hamster]
 
*[http://www.savetherennets.com Spoof hamster website]
 
*[http://www.furrycritters.co.uk Furry Critters]
 
  
[[Category:Animals kept as pets]]
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[[Category:Rabbits as pets]]
[[Category:Hamsters]]
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[[Category:Leporids]]
  
[[bg:Златист хамстер]]
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[[zh:%E8%8D%B7%E8%98%AD%E4%BE%8F%E5%84%92%E5%85%94]]
[[de:Goldhamster]]
 
[[fr:Hamster doré]]
 
[[it:Mesocricetus auratus]]
 
[[he:אוגר זהוב]]
 
[[nl:Goudhamster]]
 
[[ja:ゴールデンハムスター]]
 
[[pl:Chomik syryjski]]
 
[[fi:Kultahamsteri]]
 
[[sv:Guldhamster]]
 
[[zh:敘利亞倉鼠]]
 

Revision as of 00:53, 25 March 2006

This article concerns a particular breed of rabbit, the Netherland dwarf. For information on domestic rabbits in general, see Domestic rabbit.
A pet Netherland Dwarf

The Netherland Dwarf is a popular breed of domestic rabbit (Oryctolagus cuniculus). Smaller than most rabbit breeds, Netherland dwarf rabbits weigh 1 to 3 lb (0.5 to 1.4 kg) and are usually kept as pets or exhibition animals. They are not typically used as sources of meat or fur because their small size makes them inefficient for these purposes.

Most rabbits sold in pet stores are Netherland dwarfs, Netherland dwarf-derived breeds (often referred to simply as dwarf breeds), or dwarf crosses. Their popularity as pets stems from their babyish appearance and their cage space requirement, which is smaller than that of larger rabbit breeds.

History

The Netherland dwarf was first bred in the Netherlands, as its name implies, in the early 20th century. Medium-sized rabbits of various breeds were bred with wild European rabbits of unusually small size; after several generations the resulting animal was a very small domestic rabbit available in a wide variety of colors and patterns. Netherland dwarfs were first imported into the United Kingdom in the 1950s. In the 1960s and 1970s the United States imported its first Netherland dwarf rabbits.

Early dwarfs, even into the 1970s and 1980s, had fearful and sometimes aggressive temperaments as a result of breeders selecting breeding animals for size, not personality. These rabbits behaved more like wild rabbits than domestic animals and did not make good pets. However, through generations of selective breeding, the modern Netherland dwarf has become a gentle, friendly pet rabbit, though it still retains a more energetic disposition than larger breeds.

Appearance

Young Netherland dwarf in a mismarked Himalayan pattern

Purebred Netherland dwarfs come in a wide variety of colors, including Himalayan, Red, Siamese, Chinchilla, Blue, and White-tipped Black. Other colors (called mismarks) exist in non-show-quality Netherland dwarfs and in dwarf mongrel rabbits.

Netherland dwarfs' heads and eyes are disproportionately large with respect to their bodies, and their ears are tiny and carried high on the head. Additionally, their faces are rounded and shortened. These features, a part of the animals' dwarfism, cause them to look infantile even into adulthood.

Dwarf crosses frequently retain some of these characteristics, depending on the breed the dwarf is crossed with. However, crosses rarely look as babyish as the purebred dwarfs and are usually somewhat larger.

Netherland dwarfs as pets

Main article: Domestic rabbit

Behavior

Netherland dwarf rabbits have the same basic behavioral traits as other domestic rabbits. They can be litter-trained and socialized with dogs and cats.

They tend to have spunkier and more energetic temperaments than larger breeds of rabbit and are rarely content to sit still when outside of the cage. They are curious animals and have a tendency to nibble on nearby objects and even human beings. However, they are extremely fragile animals and easily stressed, and as such they do not make good pets for young children.

Diet

Like other domestic rabbits, dwarf rabbits consume grasses, grains, and other succulent greens. Their digestive system is somewhat less hardy than their larger cousins, and many leafy vegetables such as lettuce and cabbage can give them health problems. Generally hay and a pelleted feed should make up the largest portion of their diet.

Dwarf breeds

Dwarf rabbits only eat for a healthy diet is lettice,carrots,grass,greenleafs,hay, and mostly cabbage if you want to know more about these wonderful creatures go to google.com and type my web site dwarf rabbits.com and you will learn more!!!!! seriously!

See also

zh:荷蘭侏儒兔