DeLAND, Fla. -

Florida wildlife officials are taking new action to warn families about what to do if they see a bear.

Florida Fish and Wildlife Conservation Commission officials are knocking on the doors of more than 200 homes in the area of Marsh Road and East International Speedway Boulevard.

Officials said they're teaching people how to secure their garbage properly and warn about the fines for feeding bears.

Officials also said they're worried that bears are becoming more aggressive.  A bear has already killed a dog in one Volusia County neighborhood.

Last week, a bear and her cub were caught on surveillance video by a homeowner in DeLand.