Because lady mallards find a glossy green head to be most sexy indeed. No, seriously. That's the exact reason. Any time one gender is brightly colored and the other isn't, the difference is nearly always due to sexual selection. read more
Because lady mallards find a glossy green head to be most sexy indeed. No, seriously. That’s the exact reason. Any time one gender is brightly colored and the other isn’t, the difference is nearly always due to sexual selection. read more
The male’s gleaming green head, gray flanks, and black tail-curl arguably make it the most easily identified duck. Mallards have long been hunted for the table, and almost all domestic ducks come from this species. read more