Tom Turkey in the fields of Cades Cove – Great Smoky Mountains National Park. Adult males, known as toms or gobblers, normally weigh between 16 and 24 pounds. Gobblers have iridescent red, green, copper, bronze and gold feathers. They use these bright colors to great advantage when attracting females during breeding season. Males have brightly colored, nearly featherless heads. During breeding season the color of their heads alternates between red, white and blue, often changing in a few seconds.