Joint Publication 5-0, Joint Operation Planning, reflects current guidance for planning. military operations and, as a keystone publicatio n, forms the core of joint doctrine for joint. operation planning throughout the range of military operations.
Food Habits. Elf owls primarily eat insects â especially moths, beetles, and crickets â but occasionally they eat small mammals and reptiles, like spiny lizards, earless lizards, blind snakes and kangaroo rats. In southeastern Arizona, elf owls change their diet based on the weather.
Diet Snowy Owls will most often feed on small rodents including lemmings and voles. Rabbits are another staple of the Snowy Owl's diet. The owls are opportunistic and will also feed on other types of birds such as ptarmigans as well as bird eggs of larger birds.