General birdwatching discussion, help with bird identification, and all other things relating to wild birds and birding in NZ that don't fit in one of the other forums.
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The yellow flap of tissue at the base of this young tui's bill looks to me like the wattle on a saddleback. Has anyone information on the origin of the NZ wattlebird wattles ? Are they retained from earlier in life, an example of neoteny ?