Unlike many ducks, buffleheads are one of a few species that remain monogamous. And return to the same nesting site year after year. While breeding pairs gather together they perform a courtship behavior that expedites the breeding activity. While courtship occurs, the males bob their heads and fly over the females for them to recognize their brilliant black and white underside and their bright pink legs. He then lowers his landing gear …show more content…
They can also be found in wetlands and open waters. Like most waterfowl, buffleheads migrate at night and in some instances will travel during the day if a storm system approaches. While migrating, buffleheads find sources of open waters for temporarily feeding and resting grounds. Nesting habitat of buffleheads are often found in hollowed out holes, sometimes from flicker woodpeckers. Nest sites are primarily found in tree cavities, which includes poplars and aspens. Some nests are found by the help of Northern Flicker, and Pileated Woodpecker cavity