An interspecies pair of Wood and Mallard ducks are finding love in Central Park, according to David Barrett of the Manhattan Bird Alert.

Because mottled ducks continue to reveal genetic purity, only mallards and black ducks will be analyzed. There will not be a third year to this study; thus, this is our sole request for your ...

The birds are about 20 to 22 inches long, according to Audubon, about the size of a mallard duck. Adults have long necks and legs, a color pattern of chestnut, black and gray, and have pink bills.