The kiwi, a flightless bird endemic to New Zealand, is one of the most unique birds on earth. It is small and round, with a long, slender beak and brown, fuzzy feathers. However, not many people know how to tell the difference between a male and female kiwi. In this article, we will help you recognize the male and female kiwi.

Size

The easiest way to identify the sex of a kiwi is by their size. Male kiwis are larger in size and weight than female kiwis. On average, male kiwis are 14-18 inches long and can weigh up to 7 pounds. Female kiwis, on the other hand, are smaller, measuring 12-15 inches in length and weighing up to 4 pounds.

Beak

Another way to differentiate between male and female kiwis is by their beak. The male kiwi’s beak is longer than that of a female kiwi. A male kiwi’s beak can reach up to 8 inches in length and is straighter compared to the female kiwi’s more curved beak.

Plumage

The plumage of a kiwi bird is not as helpful when identifying their sex, as both the male and female birds have similar plumage. Both have brown and fuzzy feathers covering their body.

Voice

Kiwi birds, like many other birds, have a unique call that they use to communicate with each other. However, the male and female kiwi’s voice slightly differs. The male kiwi has a higher-pitched call than the female kiwi.

Behavior

Finally, the behavior of kiwi birds can help identify their sex. Female kiwis tend to be more aggressive than males. When provoked, female kiwis will use their long beak to attack the aggressor. On the other hand, males are more docile and only use their beaks when defending their territory.

Conclusion

In summary, there are several ways to differentiate between male and female kiwis. Size is a notable feature, with males being larger in size than females. The beak is another distinctive feature, with males having a longer beak than females. When in doubt, listen for their unique call, which also differs between the sexes. Lastly, behavior can provide insight into their sex, with females likely to be more aggressive. Knowing how to recognize the male and female kiwi is an excellent way to deepen your understanding and appreciation of this unique New Zealand bird species.

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