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Authors
Zinevich, L. S.
Tomkovich, P. S.
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Article History
Received: 30 July 2023
Revised: 6 August 2023
Accepted: 13 August 2023
First Online: 25 November 2024
ETHICS APPROVAL AND CONSENT TO PARTICIPATE
: For this article neither humans not alive animals were used, the study is based on feathers found scattered in nature from birds and museum material. Therefore, no approval from research ethics committees was required to achieve the objectives of this study.
: The authors of this work declare that they have no conflicts of interest.
