armor plate – n. bony pieces along its back for protection
stream – n. a natural flow of water that is smaller than a river
ecologist – n. a scientist that deals with the relationship between groups of living things and their environments
frankly – adv. in an honest and direct way
propeller – n. a device with two or more blades that turn quickly and cause a ship or aircraft to move
massacre – n. the violent killing of many people or living beings
buffalo – n. a large member of the Bovidae family