| 11. | Young lark sparrows are duller, and the underparts are streaked.
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| 12. | The female is duller overall with less yellow on the crown.
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| 13. | The sexes are similar, but juveniles have a duller bill.
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| 14. | Juveniles are slightly duller, but otherwise all plumages are similar.
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| 15. | The sexes are similar, but juveniles are duller than adults.
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| 16. | Towards the back of the lizard, the colour becomes duller.
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| 17. | Juveniles are largely brown with white underparts and duller bare parts.
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| 18. | Juvenile birds also have similar plumage, although it is duller.
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| 19. | Young birds are duller with less distinct streaking and crown spots.
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| 20. | Non-breeding plumage is duller and lacks the black margins.
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