オオカミは,都市の景観に広がるにつれて,人間のヒントに異なった反応をする
Martina Lazzaroni1,2, Rudy Brogi3,4, Francesca Brivio1
1Domestication Lab, Konrad Lorenz Institute of Ethology, Department of Interdisciplinary Life Sciences, University of Veterinary Medicine Vienna, Vienna 1160, Austria.
まとめ
野生のオオカミ (Canis lupus) は,都市部での人間の存在に適応可能な恐怖反応を示しています. 彼らの行動は都市化によって変化しますが,社会集団は恐怖を少なくし,共存を助けます.
科学分野:
- 野生生物の生態学 野生生物の生態学
- 行動生態学は,行動生態学である.
- 保護生物学とは
背景:
- オオカミ (Canis lupus) は,人間が支配する風景を再殖民しています.
- 人為的な要因は,オオカミにとってリスクと機会の両方を提示します.
- 人間に対する狼の恐怖に対する都市化の影響は十分に理解されていません.
研究 の 目的:
- 異なる都市化レベルがオオカミの人間に対する恐怖反応にどのように影響するか調査する.
- 恐怖を誘発する新しい刺激と人間の発声の役割を評価する.
- オオカミの恐怖表現に対する社交性の効果を判断する.
主な方法:
- 都市化の梯度のある44の場所において,個別に特定された野生の狼185匹をテストしました.
- オオカミを新しい物体や人間の声の再生に晒した.
- 社会的な文脈を考慮して,数値化された恐怖反応と習慣化率.
主要な成果:
- 都市部に住むオオカミは,最初は物に対する恐怖が減ったが,変化に対して慎重さを強めた.
- 人間の声の再生は,すべての都市化レベルで一貫して強い恐怖反応 (>80%) を引き起こす.
- オオカミは,新しい物体と人間の声の両方に素早く慣れていった.
- 群れの狼は,単独の個人に比べて,恐ろしさが著しく弱かった.
結論:
- オオカミは,均一な恐怖の軽減ではなく,人間の存在に反応して柔軟な行動変調を示します.
- 迅速な習慣化と社会的恐怖のバッファリングは,都市環境での狼の成功に貢献します.
- これらの適応行動を理解することは,狼と人間の平和的な共存を促進するために不可欠です.
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