Abstract

Many ungulate species around the world have been reported to use natural lick, and most have shown seasonal patterns of lick use. However few researches focused on sexual differences in seasonal patterns of salt lick use. From January 2006 to December 2008, we used remote video cameras to record the uses of artificial salt licks by wild sika deer ( Cervus nippon) in Taohongling Nature Reserve, China. We compared sex differences of artificial salt lick use by sika deer assessing both lick use frequency and time spent licking. Our results showed that: (1) there were significant differences in monthly lick use frequency and monthly time spent licking between the two sexes. Females tended to use licks frequently during lactation while the uses of licks by males peaked during the rut; (2) both females and males used salt licks frequently during the period of pelage change; (3) no significant differences were recorded between the individuals of two sexes in terms of staying time, time spent licking per visit and lick duration. We suggest that sika deer could adjust their using of salt licks based on their sodium requirements in different physiological stages. Implications of this study for reserve managers are that more sodium should be supplemented during the rut and lactation.

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