Table 2. Summary of model selection outcome for predictions of mammal species’ richness in the Udzungwa Mountains of Tanzania.

Model	Number ofparameters	AIC	Delta	AIC weight	Cumulative weight
ψ(.) p(mass, guild)	6	1151.59	0.00	0.410	0.410
ψ(.) p(guild)	5	1152.57	0.98	0.250	0.660
ψ(habitat, species) p(mass, guild)	7	1153.59	2.00	0.150	0.810
ψ(border) p(guild)	6	1154.56	2.97	0.093	0.910
ψ(habitat) p(guild)	6	1154.56	2.98	0.093	1.000
ψ(.) p(.)	2	1323.63	172.04	0.000	1.000

The top-ranked models are shown (delta AIC <3) followed by the null model.