Table 2. AUC and TSS values for four machine learning models and their Ensemble model with three crane species based on literature testing data.

Accuracy metric (samples)	Species distribution model
	TreeNet	Random Forest	CART	Maxent	Ensemble
Hooded Crane (Grus monacha,n = 33 sites)
AUC	0.504	0.625	0.500	0.558	0.558
TSS	0.000	0.250	0.000	0.137	0.117
White-naped Crane (Grus vipio, n = 40 sites)
AUC	0.605	0.754	0.564	0.712	0.754
TSS	0.210	0.509	0.128	0.424	0.508
Black-necked Crane (Grus nigricollis, n = 75 sites)
AUC	0.528	0.830	0.672	0.805	0.843
TSS	0.055	0.660	0.345	0.611	0.686