| 11. | The body is greatly elongated, and coloration is generally drab.
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| 12. | The dorsal coloration is slightly darker around the neck and crown.
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| 13. | Females approaching swelling and bright red coloration of the genital area.
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| 14. | With female preferences in play, male coloration could evolve rapidly.
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| 15. | Coloration can be affected by several factors, including social status.
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| 16. | The coats change to adult coloration at 3 12 months old.
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| 17. | Variation in coloration is high and reaches from white to purple.
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| 18. | A yellow coloration is developed upon exposure of santonin to light.
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| 19. | Poulton is also remembered for his pioneering work on animal coloration.
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| 20. | Zirconium silicate is usually colorless, but impurities induce various colorations.
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