sandra. mandatory evacuations here where the reservoir was threatening homes. they re going to face three, four feet. we are here where sheriff nail, troy nails, has been at it since before dawn. taking this homeowner, his name is jack, and there is no stone that won t be overturned going door to door with the sheriff because jack is we just rescued, i m hoping, we have rescued a her mit grab. what did we rescue? a her mit crab. reporter: is it alive? all right. what is its name? i think we call him hermy. reporter: this is your son s? yeah. he ll be very happy. how old is your son? 9 and 11. reporter: 9 and 11. can we even see this crab in there? yep. there you go. the reason the sheriff is doing this is because pets mean so much to their owners.