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Nyala

ไนอาลา


  Animal Information


Common Name (Thai): ไนอาลา

Common Name (English): Nyala

Scientific Name: Tragelaphus angasii

 


 Average Lifespan


18 years


Size and Weight


62–108 kg


 Places to Visit

  • Khao Kheow Open Zoo

    Chiang Mai Zoo

    Nakhon Ratchasima Zoo

Current Animal Count (7 Zoo)
Male
16
Female
12
Unspecified
0

Nyalas aren't the fastest runners, but they're masters of hide-and-seek! They blend perfectly with their surroundings, making them hard for predators to spot. That's why they often hang out deep in the forest.




 
Interesting Facts


Prominent Characteristics:

Sexual dimorphism in the nyala is highly pronounced. Males exhibit a grayish body coloration with 3–14 distinct white vertical stripes along the flanks, yellowish-brown lower limbs, and prominent spiral horns. They also possess elongated ventral hair, forming a fringe along the neck and lower abdomen. In contrast, females are smaller in size, lack horns, and display a reddish-brown coat without the ventral fringe seen in males. Adult females typically weigh between 55–68 kilograms, while males range from 98–125 kilograms.

Nyalas typically form herds of 2 to 30 individuals, consisting primarily of females and their offspring. Adult males are usually solitary, often foraging independently of the herd.

The nyala exhibits remarkable survival adaptations, including acute auditory, olfactory, and visual senses that aid in evading predators. During periods of extreme heat, nyalas often seek refuge in dense vegetation. They are commonly found in open woodlands and savannas near water sources across Africa.


Primary Diet:

In their natural habitat, nyalas primarily consume leaves, twigs, fruits, and bark. In managed care environments such as zoos, their diet is supplemented with hay, fresh grass, leafy browse, vegetables, fruits, and mineral supplements to ensure nutritional balance.


Habitat:

The nyala is distributed across southern and eastern Africa, with populations found in the Shire River Valley of Malawi, extending into Mozambique and Zimbabwe, as well as South Africa and Eswatini.


Reproduction:     

Nyalas exhibit year-round breeding activity. Females reach sexual maturity at approximately 11–12 months of age, while males attain reproductive maturity at around 18 months. The gestation period is approximately 220 days.


Lifespan: 

     The average lifespan of the nyala is approximately 18 years, both in the wild and in captivity.


Conservation Status: 

    The nyala is currently listed as Least Concern (LC) by the International Union for Conservation of Nature (IUCN). 

    However, the species faces substantial anthropogenic pressures, including habitat degradation caused by agricultural expansion, urban development, hunting, and climate change. Furthermore, interspecific competition for critical resources such as water and forage with other sympatric wildlife species exacerbates survival challenges. The population is also highly susceptible to outbreaks of illness and disease, which can severely impact its demographic stability and overall viability.


Interesting Fact: 

In addition to natural predators, nyalas are also hunted by humans, particularly males with well-developed horns, which are highly valued and contribute to their popularity.


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