Some may eat more than one organism. Look up the meaning of the words with stars before them in a dictionary at home or at school. Owls have large eyes that allow them to use all available light, even at night when very little is present. Great horned owls hunt at night. Their facial feathers direct sound waves to ear openings and help pinpoint the location of prey.
Bats use echoes to navigate and hunt in total darkness.
Swallows, particularly purple martins, are diurnal birds. They will consume large amounts of mosquitoes and other insects as well. YOU ASK US . . .