This is a notice of retraction of the article: Determinants of differences in the activity budgets of Rhinopithecus bieti by age/sex class at Xiangguqing in the Baimaxueshan nature reserve, China by Li Yanhong, Li Dayong, Ren Baoping, Hu Jie, Li Baoguo, Krzton Ali, Li Ming, published in the Archives of Biological Sciences Vol. 67, Issue 2, 2015. Due to inadequate exchange of information between the previous and new Editor-in-Chief of the Archives of Biological Sciences, the new Editor-in-Chief was not informed of the authors’ request for withdrawal of the article. After obtaining the written request, signed by all of the authors, the Editor-in-Chief has decided to withdraw the article.

Link to the retracted article 10.2298/ABS140917033L