Effects of selection for behavior, human approach mode and sex on vocalization in silver fox [0.03%]
行为选择、人类接近模式和性别对银黑狐发声的影响
Svetlana S Gogoleva,Ilya A Volodin,Elena V Volodina et al.
Svetlana S Gogoleva et al.
This study presents a first direct comparison of vocal type, call rate and time spent vocalizing among Unselected, Tame and Aggressive strains of silver fox (Vulpes vulpes) in three modes of human approach (Provoking, Approach-Retreat, and ...
Innovative coconut-opening in a semi free-ranging rhesus monkey (Macaca mulatta): A case report on behavioral propensities [0.03%]
半放养猕猴(Macaca mulatta)开椰行为创新的案例报告
Jordan A Comins,Brian E Russ,Kelley A Humbert et al.
Jordan A Comins et al.
The present case report provides a description of the emergence of an innovative, highly beneficial for- aging behavior in a single rhesus monkey (Macaca mulatta) on the island of Cayo Santiago, Puerto Rico. Selectively choosing the island'...