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Giraffe
Giraffa camelopardalis
 
Size
Weight
Conservation Status On the 2007 IUCN Red List of Threatened Species, the giraffe is listed as Conservation Dependent.
Diet In the wild, giraffes find most of their food among the tops of trees, eating mostly leaves and shoots from many types of trees, including particularly Acacia and Combretum trees, as well as flowers, vines and herbs. A giraffe uses its 18-inch long tongue, which is very strong, to strip leaves from tree branches. Here at the Zoo, giraffes are given specially-formulated pellets and alfalfa hay, as well as branches from honey locust and broad-leafed acacia trees. Keepers also give the giraffes apples and carrots as special treats.
Geographic Range Sub-Saharan Africa
Where to find me in the Zoo African Plains
Note: Description below should include Longevity, Behavior, and Reproduction information

Giraffes are best known for their very long necks and the striking coat pattern of irregular brown patches on a lighter background. Each giraffe has a pattern of blotches that is unique to that individual, like a human fingerprint. The pattern may help hide them from predators, particularly when they are young, since the pattern tends to break up their outline when they are among trees. Giraffes are one of the largest land animals, reaching heights of up to 17 feet! Males generally weigh roughly 2,000 pounds while females typically weigh about 1,250 pounds, but there is wide variation. Their long necks have seven vertebrae, the same as humans do, and this amazing adaptation allows the giraffe to reach food in tall trees that is not accessable to other browsers. Both sexes have two short, blunt, skin-covered horns atop their heads, although some giraffes can have several more. Males in particular develop additional bumps on the skull as they get older.

Range and Habitat
Wild giraffes live in sub-Saharan Africa, on savannahs and in open woodlands.

Diet
In the wild, giraffes find most of their food among the tops of trees, eating mostly leaves and shoots from many species, particularly Acacia and Combretum trees, as well as flowers, vines and herbs. A giraffe uses its tongue, which may reach 18" in length and is very strong, to strip leaves from tree branches.

Here at the Zoo, giraffes are given specially-formulated pellets and alfalfa hay, as well as branches from honey locust and broad-leafed acacia trees. Keepers also give the giraffes apples and carrots as special treats.

Longevity
A few giraffes live into their early 30's, at least in zoos. But just as with humans, dogs, cats, or any other animal, how long an individual giraffe lives varies widely, and most individuals don?t reach the maximum age. More typically, a giraffe might live into its late teens or early 20?s. Female giraffes seem to tend to live longer than males.

Reproduction
Gestation is about 14 months. Female giraffes generally give birth to a single calf, and since the mother gives birth standing up, and the baby starts life by falling six feet to the ground! Almost immediately after birth, the calf will begin to stand on its own legs and it is typically up an walking in about an hour. Giraffe calves are very vulnerable to predators, so the females often leave their young in groups called creches, which are watched over by a few adults.

Female giraffes are typically reproductively mature by about the age of three and a half, while males may mature a little later. Giraffes generally do not reach full height until two or three years later.

Behavior
Giraffes feed more frequently during the morning and late afternoon hours and usually rest during the remainder of the day. Female giraffe are rarely alone, and are usually found in loose herds of other females where the members come and go freely. Males on the other hand, are more solitary and move between the groups of females.

Although they make various sounds, giraffes rarely make noises other than a soft grunt. Giraffes can run at speeds of up to 35 miles an hour, although their long stride makes them appear to run in slow motion. When it defends itself, a giraffe will kick with its powerful hooves and use its head and head to place a well-aimed blow to its opponent.

 

Two females, Twigga, and Stella.   Twigga is older and taller, and is a reticulated giraffe, Giraffa camelopardalis reticulata.  Stella is a mix between subspecies, or a subspecies hybrid.

Twigga:  Born May 28, 1979 at Knoxville Zoological Gardens in Tennessee. She arrived at the Zoo 
     on November 10, 1979.

Stella:  Born May 27, 2001 at Cape May County Park Zoo in New Jersey.  She arrived at the Zoo on 
     May 21, 2003.

Enrichment


Adoption Information

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Twigga is often the one that leads the group - other giraffes will hesitate to go outside if she doesn't go first. Twigga is more cautious than Stella, although food often piques her curiosity.

Stella is very curious and playful; while her keepers are cleaning her pen she often likes to pick up rakes or knock over wheelbarrows.

Enrichment


The giraffe is not considered an endangered species at this time, although some populations are threatened by hunting and habitat loss. Giraffe populations have decreased over time though. They used to be found in northern Africa, including Egypt and Morocco, but are extinct there now. The survival of the giraffe is dependent on continued existence of parks and other protected areas.

Zoo Research

Fun Facts

A giraffe's heart is two feet long, weighs 25 pounds and pumps up to 20 gallons of blood a minute. Giraffes have special valves in their blood vessels, and their blood vessels are unusually elastic, which helps prevent sudden increases or decreases in blood flow when the giraffe lowers its head all the way to the ground and back up.

Although giraffes have such long necks, they have the same number of vertebrae in the neck that we do ? seven.

The giraffe's tongue is 12 to 18 inches long and is black. It has a sticky saliva and feels like sandpaper.

 

Conservation

Introductions

Animal Lingo

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Sources: (1) Philadelphia Zoo staff (2) IUCN 2007. 2007 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 04 January 2008.