Southern Brown Kiwi

The Kiwi Bird- Fascinating Details About It

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About the size of a chicken, the kiwi bird is still one of the most fascinating creatures. Kiwi is a wonderful flightless bird and endemic to New Zealand. This bird still raises the curiosity of many people due to its unusual features and behavior.



Details About Kiwi:

Kingdom: Animalia

Phylum: Chordata

Subphylum: Vertebrata

Class: Aves

Order: Struthioniformes (or Apterygiformes)

Family: Apterygidae

Subfamily: Homininae

Genus: Apteryx

Species: Apteryx haastii, Apteryx owenii, Apteryx owenii, Apteryx australis and Apteryx mantelli

Lifespan: Up to 40 years

Habitat: Sea level to alpine environments, in scrubland, farmland, swamps, pine forest and vegetated gullies.

Age of Sexual Maturity: 18 months (males); 3 years (females)

Gestation Period: 80 days

Number of Offsprings: 1

Diet: Worms, spiders, bugs, grubs and fruit, freshwater crayfish, frogs and eels

Range: New Zealand


This creature is unusual and there are always new things that we discover about it such as:

  • its average temperature is of 38 degrees C, which means that is 2 degrees lower than other birds and two degrees higher than humans
  • this bird lives in pairs
  • it mates for life
  • it has strong legs in order to rip apart rotten logs and to burrow
  • it’s territorial, so it will protect its area by chasing or calling the intruder, and will even fight using its razor-sharp claws
  • it can fight its enemies with its strong legs
  • the males are responsible for incubation
  • some females may leave their mate for a better and more disposable one


Related to its name, there are two theories about it: one claims that is derived from the name for the Kivi, the bristle-thighed curlew. The second theory claims that this interesting bird is named for its cry “kee-wee kee-wee”.

Although there are many things that can’t be explained about such creature, it’s incredible how it managed to adapt and exist for millions of years. Unfortunately, its habitat is threatened by deforestation and dogs, this bird being on the verge of extinction.