Yong Bin Zhao, Hui Song, Guo Gong Yi, Xi Lian Hao, Bai Wang, Zhi Wen Chen, 2023. Stable Isotope Analysis of Feathers as a Potential Method for Distinguishing Individual Birds. Pakistan J. Zool., 55: 1493-1496. 
DOI: https://dx.doi.org/10.17582/journal.pjz/20200423210447