03-14-2006, 09:25 AM
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Passion for Parrots!
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Join Date: Mar 2004
Location: Reno, NV, USA, Earth, 3rd Rock from the Sun
Posts: 16,206
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There are the greater, medium, and lesser sulphur from my understanding.... and the lesser tend to have more of a yellow or orange cheek than that of a greater... I also assume that they may be slightly smaller... I can't really say for sure myself as I don't own a too!
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Monica & Fids (Fids = Feathered Kids)
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