The power of listening. The manual population count survey uses the human ear to record population numbers of the nation’s five kiwi species to assess the status of the birds in a given area.
The male’s high shriek contrasts with the females low growl, but regardless of which sound it was—the early morning hours in December, when the last survey was made, were filled with stifled cries of joy from 150 volunteer bird conservationists.
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