Research on Japanese Wagtail was Conducted along Riverbancks in the Vincinity of Higashimatsuyama City, Saitama Prefecture (on the Northern Outskirts of Tokyo)

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  • 埼玉県におけるセグロセキレイ（<i>Motacilla grandis</i>）の羽色変異について
  • 埼玉県におけるセグロセキレイ(Motacilla grandis)の羽色変異個体について
  • サイタマケン ニ オケル セグロセキレイ Motacilla grandis

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Research on Japanese Wagtail Motacilla grandis was conducted along riverbanks in the vincinity of Higashimatsuyama City, Saitama Prefecture (on the northern outskirts of Tokyo). Individuals with aberrant plumage were identified. These individuals fell into two categories; birds which resembled the white Wagtail, and birds with rando white areas. The white Wagtail type, which were more numerous than the random type, showed aberrant white plumage on the face only and nowhere else. All measurements for thee birds, however, were closer to the average for Japanese Wagtail than white Wagtail. The aberrnt forms were distributed evenly throughout the study area, and did not form a single group or cluster. In addition, aberrant plumage birds were observed to the paired with normal plumage birds.

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