The patterning on the back is lyrate with small orange-capped warts. |
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They have a lyrate shape, meaning they are divided pinnately with an enlarged terminal lobe and smaller lateral lobes. |
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The posterior canal is slightly developed and the lip is lyrate within. |
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The male differs greatly from the female in colour, and in the form of its tail, which is lyrate, or has the outer feathers longer and curved outwards. |
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