### animal | vertebrate | mammal | hoofed mammal | swine:

Sow
* also show stereotypic behaviour such as gnawing and biting stall bars.
* are behaviorally anestrous during pregnancy
  - female pigs
  - hand-mated in groups with the breeding period restricted to seven days for each group
  - likely to be aggressive after the birth of piglets
  - limit fed to control weight gain during gestation
  - polyestrous, and can produce up to two litters per year
  - probably one of the easiest animals to keep in
* can breed and raise their piglets without undue pressure from eager hunters
  - have up to two litters per year
  - maintain weight on a very high quality legume pasture without grain
* communicate to their cubs with low grunts, huffs and mumbles
  - with their cubs by using low grunts or huffs
* die rapidly or respond poorly to treatment remaining chronically diseased.
* do have supernumerary teats.
* emit crooning sounds to their cubs.
* get immense physical strain of being kept constantly pregnant and nursing.
* give birth to a litter of cubs
  - litters of pigs twice a year
* leave their families to farrow in a burrow lined with grass.
* often forget their housebreaking and can become destructive.
* represent female fertility.
* require several viable embryos in a litter to carry a pregnancy to term.
* spend at least two thirds of their life in pregnancy
  - two-thirds of their lives in pregnancy
* usually begin ovulating in their second year, though some exceptionally begin at nine months
  - have two litters per year, roughly half males and half females

### animal | vertebrate | mammal | hoofed mammal | swine:

Warthog
* Most warthogs are active during the day and graze mainly on grasses and herbs.
* allow the birds to eat parasites that live on their bodies.
* also sport four sharp tusks.
* are also very common and are hunted for food
  - day animals and spend most of their time looking for food
  - found in moist and arid savannas
  - members of the same family as domestic pigs, but present a much different appearance
  - very family-orientated and tend to move around in groups called sounders
* eat short grasses, seeds, roots, fruits and vegetables.
* engage in ritual fights in which they charge straight on, clashing heads when they meet.
* have a keen sense of smell, which they use to find food
  - mane of longer hair running halfway down the back
  - stocky body, long, wide head, thin legs and a long tail
  - symbiotic relationship with certain birds, such as the yellow hornbill
* have poor eyesight and rely upon their sense of smell
  - vision
  - well-developed side whiskers which are long and white, presumably to resemble tusks
* is swine
* like to dig into the soft soil to make a hiding place for the night.
* live on grass steppes or lightly forested savannas.
* often kneel down on their front legs and use their muscular snout to dig up dinner.
* prefer open grasslands but are fairly widespread.
* spend the night in caves which have been dug by porcupines or groundhogs.
* take feeding seriously
  - shelter in subterranean burrows, often excavated by aardvarks, at night
* trot with a springy gait but they are known to run surprisingly fast.
* use burrows for shelter and when entering, the hogs back in.
+ Warthog, Habitat
  * Warthogs are found in moist and arid savannas. They avoid rainforest, deserts and high mountains.

### animal | vertebrate | mammal | hoofed mammal | swine | warthog:

Male warthog
* are usually solitary, joining the female groups only for mating.
* join females for breeding, leave, and then return after the young are born.