| 41. | Sexes are similar, but juveniles are duller and streaked.
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| 42. | The female has a dark bill and rather duller colouring.
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| 43. | Sexes are similar, but juveniles are duller than adults.
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| 44. | One can make out a younger bird by its slightly duller coloring.
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| 45. | The colour of these limbs is much duller in females.
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| 46. | Young birds are duller versions of the adult of the same sex.
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| 47. | Females are similar but smaller, duller, and crestless.
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| 48. | Females are slightly duller, with less yellow on breast.
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| 49. | Juveniles are a duller, browner version of the adult.
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| 50. | Immature individuals possess a duller coloration and a brown abdomen.
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