Black-bellied Whistling-Ducks [Dendrocygna autumnalis] are one of the oddest North American ducks. These “tree ducks” do nest in trees and will use nest boxes much like the more common Wood Ducks. However, these ducks share similarities with geese and swans with “their lack of sexual dimorphism, relatively long-term pair bonds, and lack of complex pair-forming
Continue reading 31 Cool Bird Facts #25 – Black-bellied Whistling-Duck
