Beavers help waterfowl by creating increased areas of water. The widening of the riparian zone associated with beaver dams has been shown to increase the abundance and diversity of birds favoring the water's edge, an impact that may be especially important in semi-arid climates. Fish-eating birds use beaver ponds for foraging, and in some areas, certain species appear more frequently at sites where beavers were active than at sites with no beaver activity. In a study of Wyoming streams and rivers, watercourses with beavers had 75 times as many ducks as those without. As trees are drowned by rising beaver impoundments, they become an ideal habitat for woodpeckers, which carve cavities that may be later used by other bird species. Beaver-caused ice thawing in northern latitudes allows Canada geese to nest earlier.
Beavers help waterfowl by creating increased areas of water The widening of the riparian zone associated with beaver dams has been shown to increase the abundance and diversity of birds favoring the water's edge an impact that may be especially important in semi-arid climates Fish-eating birds use beaver ponds for foraging and in some areas certain species appear more frequently at sites where beavers were active than at sites with no beaver activity In a study of Wyoming streams and rivers watercourses with beavers had 75 times as many ducks as those without As trees are drowned by rising beaver impoundments they become an ideal habitat for woodpeckers which carve cavities that may be later used by other bird species Beaver-caused ice thawing in northern latitudes allows Canada geese to nest earlier