Pocket pet

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Pet mice enjoy company and a hiding place

A pocket pet is a small, pocket-sized pet mammal (sometimes also categorized as a small and furry in the pet industry)[1] commonly kept as a household pet. The most common pocket pets are rodents such as hamsters (golden hamsters and dwarf hamsters), gerbils (Mongolian jirds and duprasi gerbils), common degus, fancy mice,[2] fancy rats,[2] common chinchillas, and guinea pigs (cavies). The term also includes exotic pets and marsupials like flying squirrels, Chacoan pygmy opossums, sugar gliders,[3] and hedgehogs.

Other small non-mammalian animals such as reptiles, birds, fish, and amphibians—e.g. lizards, snakes, turtles, goldfish, canaries, and frogs—may not be considered pocket pets.

Many of these small pets are prohibited in certain areas for being invasive; California,[4] Hawaii, and New Zealand have strict regulations to protect their native environments and agricultural operations. Gerbils, degus, ferrets, domesticated rats, sugar gliders, and hedgehogs have various prohibitions on their ownership.

Description[edit]

The domestication of small mammals is a relatively recent development, arising only after large-scale industrialization. Historically, Western society was more agrarian than today, with rodents as a whole seen as vermin that were carriers for disease and a threat to crops. Animals that hunted such pests (e.g. terriers and cats) were prized.

Comparison of different pocket pets
Species Size (in grams) Prohibitions Tail
Guinea pig 910 No 0 - No
Mouse 35 No 3 - Long
Rat 450 One 3 - Long
Hamster 160[5] No 1 - Very short
Hamster, dwarf 40 No 1 - Very short
Gerbil 60 Some 4 - Yes
Degu 300 Yes 4 - Yes
Chinchilla 700 No 3 - Long
Ferret 1500 Yes 3 - Long
Rabbit 3000 One 2 - Short
Sugar glider 140 Yes 4 - Yes
Hedgehog 450 Yes 2 - Short


Guinea pig[edit]

Guinea pigs

Guinea pigs (cavy) have perhaps been kept the longest as pets among rodents. While historically they served as a foodstuff for the native Inca people, they were imported to Europe as early as the mid-16th century, shortly after Spain conquered Peru. As an oddity from the New World, they were afforded a special status, and seen as house pets, rather than vermin or food. While their popularity was initially limited to the wealthy, their prodigious reproductive habits ensured that they spread throughout the middle classes shortly after their introduction; guinea pig burial places (not scattered bones—as would be found with an eaten animal) have been found in archaeological digs in early modern middle-class suburbs.[6]

Guinea pigs do not store their food. They typically travel in groups, or herds, scavenging for grass and other vegetation. They are commonly active during dawn or dusk when they are less likely to encounter predators (crepuscular). As pack animals in the wild, the domestic Guinea pig also thrives when kept with one or more companions (except boars in the presence of a sow). They live off a diet consisting of grass hay and food pellets, typically synthesized from timothy hay. Like humans, Guinea pigs can not synthesize their own vitamin C making their food intake their only source of vitamin C; a lack of vitamin C will often cause fatal scurvy. At merely four weeks old female Guinea pigs become fertile and may produce as many as four to five litters a year. With an average gestation period of 59–72 days, a female Guinea pig may become pregnant again in as few as 6 hours after giving birth. Guinea pigs live to be around 4 to 5 years old.[7]

Fancy mouse[edit]

Young pet mouse

Fancy mice were popular pets in Japan during the 18th century, due in large part to the abundance of color mutations in wild mice. In 1787, a book on this hobby, The Breeding of Curious Varieties of the Mouse, was published by Chobei Zenya, a Kyoto money exchanger. Over time, the tradition spread from Japan to Europe, and in 1895 the National Mouse Club was established in England.[8]

Fancy mice are nocturnal animals who utilize burrowing and hiding to evade prey due to their general defenselessness. Mice also utilize burrows to avoid light whenever possible. Mice live in families with developed social structure and territorial boundaries between families. Male mice organize themselves into a social hierarchy in which the most dominant mouse becomes the "lead buck", or the one at the top of the social ladder. Only the lead buck mates during mating season, all other mice are restricted by the lead buck or downright rejected by the female mice.[9] Mice possess a highly developed sense of smell, hearing, and feeling; however, their sense of sight is poor due to the odd location of their eyes on their head. Mice can hear pitches inaudible to the human ear and communicate with squeaks, some of which reach pitches humans can only hear through the use of an oscilloscope.

Their sense of smell is highly developed and many mice can recognize if another mouse is part of their family groups based on smell alone. Their sense of touch is also highly developed; due to their poor eyesight a lot of movement is interpreted through the utilization of whiskers and guard hairs to orientate themselves and determine their surroundings. Female mice have a gestation period of 19 to 21 days and may have up to 15 litters a year; due to their ability to become pregnant again within 24 hours of giving birth. The average litter size is 10 to 12 pups who are born deaf and blind; within 2 weeks the litter will resemble small adult mice.[10]

Fancy rat[edit]

Domesticated rat

Fancy rats first became popular pets in Victorian England during the 19th century, being selectively bred for unusual colouration or temperament.[11] They are prohibited in Alberta, Canada, outside of schools, laboratories, and zoos. Fancy Rats enjoy keeping company of their own kind; it is common to keep domesticated rats in pairs of the same sex because they need a companion but if a pet owner houses two rats of the opposite sex together they will have a lot of baby rats. Whereas mice enjoy independence domesticated rats rather enjoy the company of their owner. Female rats may become pregnant at as early as five weeks old; producing a litter of about 8 young each time, and are able to become pregnant again within 24 hours.[12] Rats have sharp teeth that never stop growing, in order to combat this rats will chew on things such as wood to shave down their teeth to an appropriate length. Non domestic rats have differing diets depending on location. Rats are opportunistic eaters; in the wild rats are herbivores as they will scavenge for seeds, plants and fruits. Due to a lack of easily accessible produce in the city, city rats will eat just about everything ranging from trash to meat. Domestic rats live slightly longer than wild rats boasting live spans of around 4 years, whereas wild rats tend to live around 2 to 3 years.[13]

Hamster[edit]

Hamsters first gained popularity as pets in the 1930s, with virtually all modern Syrian hamsters (the most common pet species) tracing their lineage back to a single litter of hamsters taken to Palestine for scientific research in 1930. Shortly thereafter, in 1938, hamsters were introduced to the United States.[14] Dwarf hamsters are also popular pets. There currently exist 18 hamster species, the average weight of each species differing slightly. Wild hamsters are typically found in open areas such as deserts, plains, and fields. Hamsters scavenge for food and feast on a diet containing primarily grain. Hamsters temporarily store their food in large cheek pouches for transport to their burrows, where they maintain hoards.[15] Territorial by nature, hamsters do not run in packs and react aggressively towards a member of their own species.

Domestic hamsters which are caged together will typically act aggressive towards one another as they get older, potentially fatally. They typically are nocturnal or crepuscular, though they may be active during both night and day if their sleep schedule is disturbed. Hamsters breed at produce two to four litters a year. Gestation takes 15 to 22 days and newborn only require nursing for approximately three weeks. The domestic hamster population is large; however, despite a rapid reproduction rate wild hamsters is are diminishing in number due habitat destruction and their place near the bottom of the food chain.[16]

Gerbil[edit]

Young gerbil

Gerbils became established in the pet industry in 1964. They are prohibited in California. As desert dwellers Gerbils dig long burrows in order to escape the harsh temperatures; however, unlike hamsters, Gerbils are not nocturnal. Gerbils are active most during the evening and morning, times in which the weather is calmest, making them primarily crepuscular. Gerbils are naturally curious, social and nonviolent animals, making them more suitable for children than most pocket pets. Gerbils have an average lifespan of two to four years. Adult male gerbils are very territorial and the larger the gerbil the larger their burrow typically is, and the more territory they scent mark. Gerbils communicate through the use of thumping their back legs and whistling sharply, thumping can be both a communication of excitement and anxiety.[17]

Degu[edit]

Male degu keeping his pups warm

After initial interest in common degus as research subjects, they have become popular as pets, though until recently they were seldom found in pet shops. They are prohibited in California. Degus are also social animals and thrive with a partner when kept as pets. Degus love to run around, exercise, and explore tight locations. Domestic degus require some form of bedding so that they may store their food similarly to wild degus. Degu's incisor and molar teeth never stop growing so they need access to items they may regularly chew on. They are naturally active during the day and rest during night, unlike most other pocket pets.[18] They consume a diet of large amounts of fiber. They require nearly constant access to hay, and small amounts of pellets and leafy vegetables. They are prone to two types of diabetes, so degus need a diet which is low in sugar and fat, so fruits and vegetables high in sugar content such as carrots should not be given to a degu. Degus occasionally eat their own droppings to obtain certain nutrients that keep their digestive system healthy.[19]

Chinchilla[edit]

Long-tailed chinchilla at the zoo

Chinchillas have been used in research since the 1950s. They are popular pets, but require much care. The domestic chinchilla is descended from Chinchilla lanigera, the long-tailed Chinchilla, and so have thinner bodies, longer tails and larger ears. Chinchillas in the wild roam in herds so naturally domestic chinchillas also like to have a companion and can live to be over 10 years old. They consist of a diet of grass, hay, and grass based chinchilla pellets. Their teeth never stop growing so they rely on their food to wear down their teeth to the appropriate length. An improper diet can lead to serious dental disease. Chinchillas may eat small amounts of dried fruit and root vegetables as treats, but too large an amount may lead to serious health issues such as obesity. They are typically nocturnal and require a lot of free space to roam around in. They have litters of around 2 kits and a gestation period of around 110 days. They can breed at 6–9 months of age. The females are seasonally polyestrous and come into heat every 30 to 90 days during the year. They can have up to 3 litters in a year if the female breeds around the time of giving birth.[20]

Ferret[edit]

Female ferret

Ferrets have a high metabolic rate, meaning they can eat around 8 to 10 small meals daily. They are carnivorous, like Cats, so they need a high protein intake which can be satisfied using pellets. Chicken and lamb are common ingredients in ferret food, it is best to avoid foods that include grain or corn. In the wild ferrets commonly take over the burrows of other small animals such as prairie dogs, domestic ferrets live in cages but should be let out for several hours each day. Domestic ferrets enjoy having many places to hide and explore such as tunnels and closed hammocks, some ferrets may also enjoy playing in water. As natural predators, ferrets should be kept separate from any prey animals.[21] Like many other pocket pets, ferrets are social animals and thrive in groups of two or three. A ferret kept on its own will require a lot more attention from its owner than a ferret who has the constant company of his own species.[22] Female ferrets reach sexual maturity at around 8 –12 months of age. A ferret gives birth to an average of 8 kits, gestation last about 41 days.   

Sugar glider[edit]

Sugar gliders eating mealworms

Around the world, the sugar glider is popular as an exotic pet, and is sometimes consider a pocket pet. Most US states and cities allow sugar gliders as pets, with some exceptions including California,[23] Hawaii,[23] Alaska, and New York City.[23] In Australia, sugar gliders can be kept in Victoria, South Australia, and the Northern Territory. However, they are not allowed to be kept as pets in Western Australia, New South Wales, the Australian Capital Territory, Queensland or Tasmania.[23][23]

Sugar gliders are social animals commonly living in groups of around 7 individuals. They communicate through vocalization and chemical odors and commonly live in tress. Male gliders become mature at 4–12 weeks and female gliders mature at 8–12 weeks. Breeding takes place in June to November and the glider gives birth to one child, or joey, although having twins is possible. The joey spends 2 months in the pouch only opening its eyes 80 days after birth. Male gliders do all the parental care and after 110 days the joey is ready to leave the nest. Sugar gliders are omnivorous relying on the consumption of insects in the summer. Gliders can also eat arthropods, sap, honeydew, and nectar from plants. Sugar gliders eat around 11 grams of food a day, 10 percent of their body weight.[24]

Hedgehog[edit]

A pet hedgehog from Japan

Seventeen species of hedgehog exist worldwide. Hedgehog are native in Europe, the Middle East, Africa, and central Asia. They were introduced to New Zealand by England and quickly became an invasive species. Hedgehogs are omnivorous and threaten insect, snail, lizard, and bird populations due to a lack of natural predators in New Zealand.[25] Hedgehogs may tighten their orbicularis[disambiguation needed] muscle to hide its head, legs, and belly in a coat of prickly erect spines. Hedgehogs are primarily nocturnal, though some may be crepuscular. Hedgehogs typically take refuge in the empty burrow of another small animal, or a burrow they dug themselves. However, hedgehogs can occasionally take refuge under rocks or in thick vegetation, or anywhere dark and secluded. Hedgehogs tend to be solitary, though not to the extent of hamsters. Some captive bred females crave the companionship of another hedgehog and occasionally show bonding tendencies when housed with another female; male hedgehogs should not be housed together as they will fight once they reach sexual maturity.[26]

Hedgehogs were considered insectivores prior to that classification's abandonment. Presently, hedgehogs are classified as omnivorous, and due eat anything. Hedgehogs have been known to eat bugs, slugs, frogs, fish, worms, small mice, small snakes, and even fruits and vegetables. A hedgehog's diet should be very high in protein. Hedgehogs can eat fruits and vegetables but only in moderation. Despite their small size Hedgehogs require a large cage with bedding and plenty of furniture to hide in and explore.[27] Hedgehogs have a gestation period of about 35 days, and give birth to on average 4 deaf and blind young (hoglets). At three to five weeks old the young leave the nest for the first time to go hunting on their own.[28]

References[edit]

  1. ^ "Small And Furry Care". Petfinder. Retrieved 2019-04-21.
  2. ^ a b Marc Morrone; Nancy Ellis-Bell (2010). A Man for All Species: The Remarkable Adventures of an Animal Lover and Expert Pet Keeper. Crown/Archetype. ISBN 978-0-307-58966-8.
  3. ^ Debbie Dillon (1996). Complete Care Guide for Your Sugar Glider: The Perfect "pocket" Pet. Debbie Dillon.
  4. ^ CDFW, California Department of Fish and Wildlife (2018). "Why can't I have a [...] in California?". www.wildlife.ca.gov. Retrieved 2019-04-11.
  5. ^ "Syrian Hamster Weight - Hamster Central". www.hamstercentral.com. Retrieved 2018-02-23.
  6. ^ Pappas, Stephanie; February 2, Live Science Contributor |; ET, 2012 05:48pm. "Pocket Pets: Early Explorers Brought Guinea Pigs to Europe". Live Science.CS1 maint: extra punctuation (link)
  7. ^ Pet Experts at Tfh (2002). Guinea Pig Care. TFH Publications. p. 6. ISBN 0793810256.
  8. ^ http://www.afrma.org/historymse.htm
  9. ^ "AFRMA - Mouse Keeping: Understanding Mouse Behavior". www.afrma.org. Retrieved 2019-03-04.
  10. ^ "Breeding and Reproduction of Mice - All Other Pets". Merck Veterinary Manual. Retrieved 2019-03-04.
  11. ^ http://www.afrma.org/historyrat.htm
  12. ^ "Caring for Your Pet Rat | Advice & Guidance". Blue Cross. Retrieved 2019-03-04.
  13. ^ "Rat Facts: What They Eat, Size, Lifespan | Western Exterminator". www.westernexterminator.com. Retrieved 2019-03-04.
  14. ^ Roger Gfeller, D. V. M.; Michael Thomas, D. V. M.; Mayo, Isaac (August 8, 2017). "Veterinary Partner". VIN.com.
  15. ^ http://www.veterinarypartner.com/Content.plx?A=679
  16. ^ Poor, Allison. "Cricetinae (hamsters)". Animal Diversity Web. Retrieved 2019-03-04.
  17. ^ "Gerbil Behavior". PetPlace. 2015-09-28. Retrieved 2019-03-06.
  18. ^ "Understanding your degus behaviour | RSPCA". www.rspca.org.uk. Retrieved 2019-04-28.
  19. ^ "Healthy and balanced diet for your degu | RSPCA". www.rspca.org.uk. Retrieved 2019-04-28.
  20. ^ "Behaviour - Chinchillas - Our pets". www.rspca.org.uk. Retrieved 2019-04-21.
  21. ^ "Ferrets - behaviour - our pets". www.rspca.org.uk. Retrieved 2019-04-22.
  22. ^ "15 Things You Need to Know Before Adopting a Ferret". Care2 Causes. Retrieved 2019-04-22.
  23. ^ a b c d e KUETTNER, J. (1952-12-01). "A NOTE ON HIGH LEVEL TURBULENCE ENCOUNTERED BY A GLIDER". Fort Belvoir, VA. doi:10.21236/ad0012012. Cite journal requires |journal= (help)
  24. ^ https://appsfornexus.com (2016-01-23). "Sugar Glider Facts | Anatomy, Diet, Habitat, Behavior". Animals Time. Retrieved 2019-04-28.
  25. ^ "History of the hedgehog". Hedgehog Street. Retrieved 2019-04-23.
  26. ^ "Behavior Characteristics". hedgehogheadquarters.com. Retrieved 2019-04-23.
  27. ^ "Pet Hedgehog Food, Treats, Diet & Nutrition". Retrieved 2019-04-23.
  28. ^ Conservation, Online editorial department Pro Igel e V. German Society for Integrated Nature. "Pro Igel e.V. German Society for Integrated Nature Conservation: Biology". www.pro-igel.de. Retrieved 2019-04-23.

Further reading[edit]

External links[edit]