Image: Hymenolaimus malacorhynchos - distribution map

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Description: Blue duck (whio, Hymenolaimus malacorhynchos) distribution map. Based on the IUCN distribution map. Unlike the IUCN map, this map doesn't show "possibly extinct" areas as the literature doesn't consider these areas for possible distribution of stable whio populations. Even though that IUCN marks Tararuas in orange (meaning "extant / resident"), from this map the mountain range has been deleted as whio hasn't been residing in Tararuas for decades The map now shows similar distribution as Handbook of Australian, New Zealand & Antarctic Birds, see the sources below
Title: Hymenolaimus malacorhynchos - distribution map
Credit: IUCN spatial data File:Map of New Zealand (blank).svg MARCHANT, S.; HIGGINS, P.J., 1990. Handbook of Australian, New Zealand & Antarctic Birds, Volume 1, Ratites to ducks. Melbourne: Oxford University Press. ISBN 0-19-553244-9, p1257.
Author: Created by Michal Klajban based on the mentioned resources
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: https://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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Blue duck

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