《Table 2 Tibetan Snowcock detection probability (p) models》

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《Habitat use and diel activity pattern of the Tibetan Snowcock(Tetraogallus tibetanus):a case study using camera traps for surveying high-elevation bird species》

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（a） We list all models，and present AICc weight，number of parameters（No.par.），twice the negative log likelihood（2LL）.（b）Summed model weight of each detection covariates.The key for the covariate codes used is given in Table 1

Neither of the two detection covariates（DATE and LT）reached summed model weights of>0.5（Table 2），indicating that they had no significant effect on detection probability of the Tibetan Snowcock，and detection probability was assumed to be constant.Out of 92 camera traps，69 recorded Tibetan Snowcock at least once，resulting in a na?ve site occupancy of 0.663.The model with the lowest AICc estimated the occupancy at 0.830（Table 3），slightly higher than the na?ve site occupancy，suggesting that the habitat use of the Tibetan Snowcock was wider than indicated by the camera trap record.Among competing models，elevation，slope，EVI，road density，and settlement density reached summed model weights of>0.5，and these covariates were considered as weighted predictors for the habitat use of the Tibetan Snowcock.There was a positive correlation between habitat use and elevation，road density，and settlement density，while habitat use was negatively associated with slope and EVI（Fig.4）.