taken at the Los Angeles Zoo in Los Angeles, California
status: near threatened
A very neat species that I have struggled to get a nice photography of until today! These guys have some strange long necks with a very small head for eating foliage out of reach of other antelope species.
The gerenuk, or giraffe gazelle (Litocranius walleri), is a species of long-necked antelope that lives in the dry savannahs and woodlands of eastern Africa. They can thrive in a variety of habitats, as they have a wide diet. In addition to grasses, shrubs, and flowers, giraffe gazelles use their long legs and necks to reach higher tree branches, giving it access to food unavailable to other herbivores in the area. In addition, the gerenuk does not rely on free-standing water for hydration, as it can absorb water from the plants it eats. This allows L. walleri to thrive in generally arid environments and survive through droughts.
Like most antelope species, L walleri is most active during the day. Females live in small groups of about 10 and will roam between the territories of solitary males. Individuals spend most of their time grazing, though often one member of the group will stay on the lookout for predators. When threatened by predators such as lions, cheetahs, leopards, or hunting dogs, gerenuks will freeze and their coloring allows them to blend in well to their surroundings. In addition, their long legs allow them to run at speeds up to 40 mph in short bursts.
As fitting to its name, the giraffe gazelle is quite tall. At shoulder height they stand between 80-105 cm tall, and when standing on their hind legs they can reach over 2m. Despite their height, individuals are relatively light, weighing only 29-58kg. Males tend to be larger than females, and sport curved horns. Otherwise both sexes look the same, generally tan or brown with white around the eyes and along the underside.
Females will breed once every one to two years, although there is no set mating season. When a male wants to mate, he will perform a complex ritual around the desired female which includes kicking her with his forelegs and sniffing her urine. Pregnancy lasts about seven months, after which females give birth to only one offspring. The young giraffe gazelle will nurse anywhere from 12 to 18 months; male young tend to linger longer than females but will leave once they reach sexual maturity at about 2 years old. In the wild, the gerenuk can live up to 12 years.
Conservation status: The IUCN lists the gerenuk as Near Threatened. This species was never common within its range, but recent reductions to its natural habitats have reduced populations. Many parks consider them protected and there are some breeding programs in place to maintain numbers.
Cool Facts- At first glance, a gerenuk may look more similar to a small, unspotted giraffe than an antelope. The gerenuk has extremely slender legs and a long neck that it puts to good use. Unlike most grazing antelopes, gerenuk are browsers meaning that they prefer trees and bushes. They are able to balance on their hind legs for considerable periods of time as they stretch their entire body and necks upwards and stand at nearly 2 meters tall to eat plants out of reach of most herbivores. They live in small herds to prevent gaining attention from predators, such as leopards and cheetahs, that would take advantage of their vulnerable state of standing on their hind legs.