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| Juvenile - total Marsh Harriers counted 8,520. Given the complex variations in plumage and the scant knowledge of dark morphs I can only surmise about some of the birds below. |
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| 2CY Male |
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| Juvenile |
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| Young adult male. A lot of brown in the upperwing but very pale on the underwing. |
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| I presume this to be a juvenile. The gap in the inner primaries and secondaries are perhaps broken feathers and not moult. The primaries all look the same age so can't be a 2CY. Impossible to say whether it will grow up to be a dark morph I guess. |
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| Dark morph male. What a stunner. The broad black trailing edge joins the dark underwing coverts leaving just a narrow grey window in the secondaries. |
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| 2CY Female |
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| Juvenile. Broken P10 in right wing. |
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| 2CY Male |
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| 2CY - Dark morph female? Juvenile P10 and a few juvenile secondaries in both wings. |
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| 2CY Male. Juvenile P10, dark trailing edge and new dark fingers visible. I wonder if the dark underwing coverts and body indicate a dark morph? |
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| Female |
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| Juvenile |
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| Male. |
