Selection of wild boar as a prey species based on estimates of boar use by wolves and relative availability within Alpe di Catenaia, Italy.

aData years began in May and ended in April; the 2000–01 year represents all scats collected between 1 May 2000 and 30 April 2001.bWild boar availability and use in wolf diet are calculated based on biomass (kg per km2) relative to the availability and use of the main ungulate community in Alpe di Catenaia consisting of wild boar and roe deer only. See methods for more detail.cFor Manly's standardized selection ratio, values approximately equal to 0.5 indicate prey use in proportion to availability in a two-prey system while selection for and against the prey type of focus would be indicated by higher and lower values respectively.