YouTubeチャンネルメンバー登録はこちら！！→ <a href="https://www.youtube.com/channel/UCprhlFj3cWC7d5Navri7Qow/join" target="_blank" rel="noopener nofollow">https://www.youtube.com/channel/UCprhlFj3cWC7d5Navri7Qow/join</a><br><br>◆YouTubeチャンネル(生物解説)登録<br><a href="https://www.youtube.com/channel/UCprhlFj3cWC7d5Navri7Qow?sub_confirmation=1" target="_blank" rel="noopener nofollow">https://www.youtube.com/channel/UCprhlFj3cWC7d5Navri7Qow?sub_confirmation=1</a><br>◆YouTubeチャンネル(世界の雑学)登録 <br><a href="https://www.youtube.com/channel/UC-TPaxA1N5aassVrujATvcQ?sub_confirmation=1" target="_blank" rel="noopener nofollow">https://www.youtube.com/channel/UC-TPaxA1N5aassVrujATvcQ?sub_confirmation=1</a><br>◆TikTok<br><a href="https://www.tiktok.com/@geographic_chan" target="_blank" rel="noopener nofollow">https://www.tiktok.com/@geographic_chan</a><br>◆Instagram<br><a href="https://www.instagram.com/geographic_chan/" target="_blank" rel="noopener nofollow">https://www.instagram.com/geographic_chan/</a><br>◆X（Twitter）<br><a href="https://twitter.com/geographic_chan" target="_blank" rel="noopener nofollow">https://twitter.com/geographic_chan</a><br>◆ブログ <br><a href="https://geo-ch.com/" target="_blank" rel="noopener nofollow">https://geo-ch.com/</a> <br>◆note <br><a href="https://note.com/geochan" target="_blank" rel="noopener nofollow">https://note.com/geochan</a><br><br>声 VOICEVOX:ずんだもん 音読さん <br><br>【楽曲提供 株式会社Pinguino】<br><br>参考：<a href="https://phys.org/news/2025-12-italian-villages-evolved-smaller-aggressive.html" target="_blank" rel="noopener nofollow">https://phys.org/news/2025-12-italian-villages-evolved-smaller-aggressive.html</a> <br><a href="https://www.anthropocenemagazine.org/2025/12/italys-bears-are-showing-genetic-signs-of-domestication" target="_blank" rel="noopener nofollow">https://www.anthropocenemagazine.org/2025/12/italys-bears-are-showing-genetic-signs-of-domestication</a>