Welcome, @Wendijean68 ! Yes, successful predators will return, so keeping your survivors in their safe coop and run is necessary, probably at least for weeks.
Electric fencing is a huge help against land predators like your coyotes, if it's legal to set it up where you live.
Mary
Electric fencing is a huge help against land predators like your coyotes, if it's legal to set it up where you live.
Mary