Saturday 25 May Trumpeter swan (Cygnus buccinator) What’s the
World’s Favourite Species?Find out here. Trumpeter swan fact
file - Find out more - Print factsheet Trumpeter swan
description The largest waterfowl species in North America (2)
(3), the trumpeter swan (Cygnus buccinator) is named for its
distinctive, trumpeting, ‘oh-OH’ call (3). Both the male and
female trumpeter swan are entirely white, with a black bill,
face and legs, and a long, straight neck (2) (3). The male
trumpeter swan is slightly larger than the female (3). Juvenile
trumpeter swans are also mostly white, but may have some darker
grey or greyish-brown feathers and more greyish-pink legs, which
turn yellowish-grey to black with age (2) (3). On hatching,
young trumpeter swans, called cygnets, are normally grey, with
greyish-pink feet and a greyish-black to dull pink bill (3). The
trumpeter swan is very similar in appearance to the tundra swan
(Cygnus columbianus), and the two species can be difficult to
tell apart. However, the trumpeter