A young Tui's yellow gape
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A young Tui's yellow gape
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 ?
- Neil Fitzgerald
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Re: A young Tui's yellow gape
I have no idea, but it's an interesting thought.