I went to 2024 Kanagawa annual duck survey, which I have been participating in since I was a middle school student and supported by many volunteers, is held in mid-January every year. I reported some ducks and a hybrid Duck, probably Mallard x Spot-billed. Unfortunately I can not see him after the survey.
15/Jan/2024
雑種は興味深いのですが、マガモの要素のある個体は野生化したアイガモとの交雑も可能性があり、見る機会が増えることは好ましくないと思っています。
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