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VTit_Nest_box_camera.mp4 (39.61 MB)

Records of a nest box camera, self-customized from a trail camera, to monitor the breeding biology of the Varied Tit Sittiparus varius on Okinwa-jima, southern Japan

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posted on 2023-11-23, 11:06 authored by Shin-Ichi Seki

Easy and quick self-customization was applied to a common trail camera to reduce the minimum focus distance (to approximately 15 cm) and also to control the amount of light passing through the lens, before attaching it to a nest box for small birds. This camera system was operated throughout the breeding season of the tit without maintenance (for about three months) and recorded daily activities inside the nest box using four Alkaline AA cells, with settings of all IR triggers inactive, timer to work only during one hour in the morning, and 20 min interval recording of 5MP images.

Funding

What kind of regional peculiarity did the non-transparent life history of the forests in the northern part of Okinawa Island bring to birds?

Japan Society for the Promotion of Science

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Environmental Restoration and Conservation Agency of Japan

History

Corresponding author email address

seki@affrc.go.jp

Title (in Japanese)

沖縄島におけるヤマガラSittiparus variusの繁殖生態を調査するためにトレイルカメラを簡易加工して作成した巣箱カメラの記録画像

Description (in Japanese)

一般的なトレイルカメラを簡易加工してピントの合う距離を約15cmにするとともにレンズに入る光量を調整してから小鳥用の巣箱に取り付けた。このカメラシステムはアルカリ単3乾電池4本を電源に、赤外線センサーを使わずタイマーで午前中に1時間のみ起動し、約500万画素の静止画を20分間隔でインターバル撮影する設定で、ヤマガラの繁殖期をとおして約3ヶ月間にわたり巣箱内の状況を毎日記録できた。

Manuscript title (in Japanese)

沖縄島の亜熱帯照葉樹林におけるヤマガラの繁殖生態

Authors (in Japanese)

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Copyright

© 2023 Japan Bird Research Association

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