Feng Xu1,2,3*, Weikang Yang1,2,3*, Ming Ma1,2,3 and David A. Blank4
...the group decreased. The group size effect was supported by our study of vigilance in Demoiselle crane and the cranes gained vigilance benefits from increasing their group size. And when the cranes in strong human disturbance area closer to the road, they devoted significantly more time to their vigilance. The significant relationship between crane vigilance and group size might be explained by the high population density and big intraspecific competitions for...

Pakistan Journal of Zoology


Vol. 53, Iss. 1, Pages 1-400


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