In this study, Mandarin Ducks spent a similar proportion of their time foraging as the Ferruginous Pochard Aythya nyroca (Muzaffar, 2004), and less than that of the Tundra Bean Goose Anser fabalis (64%) (Liu, 2011), Swan Goose Anser cygnoides (60.2%) (Zhang, 2009), and Tundra Swan
(30.52%) (Shao et al., 2018).
This winter we also saw a Bewick's Swan or tundra swan
on the whooper pond during the cold snap, sadly only for a couple of days.
Of the 40 species, there were nine species of shorebirds, seven dabbling ducks, five diving ducks, four waders, three gulls, and two "geese" (one was light geese, which includes Snow and Ross' Geese), in addition to Ruddy Duck (Oxyura jamaicensis), American Coot (Fulica americana), White Pelican (Pelecanus erythrorhynchus), Double-crested Cormorant (Phalacrocorax auritus), Tundra Swan
(Cygnus columbianus), Sandhill Crane, Caspian Tern (Hydroprogne caspia), and two species that could not be identified (one dabbling duck and one sandpiper).
They are now considered to be a race of the tundra swan
, which also includes the whistling swan of North America.
Bewick's Swan, now more widely known as the Tundra Swan
, is a large, long-necked, pure white species of waterfowl.
When I look back on the week, we saw a fine mix of bufflehead, green-wing teal, black duck, northern shoveler, ruddy ducks, hooded mergansers, blue-winged teal, bluebills, mallards, long-tailed ducks, common scoters, tundra swan
and Canada geese.
2,000 permits were available for this fall's tundra swan
hunt, with more than 5,000 hunters applying for permits.
Species Egg laying Incubation Fledging Ross's Goose 4-6 19-25 40-43 Brant 5 24 40-45 Lesser Snow Goose 5-7 24 40-43 Greater Snow Goose 5-7 24 43 Greater White- 5-7 25 42-49 fronted Goose Cackling Goose 5-7 26-27 42-49 Canada Goose 5-7 27-28 63 Tundra Swan
6-10 31-32 65 Species Total Source Ross's Goose 63-74 Jonsson et al., 2013 Brant 69-74 Lewis et al., 2013 Lesser Snow Goose 69-74 Mowbray et al., 2000 Greater Snow Goose 72-74 Mowbray et al., 2000 Greater White- 73-81 Ely and Dzubin, 1994 fronted Goose Cackling Goose 73-83 Mowbray et al., 2002 Canada Goose 95-98 Mowbray et al., 2002 Tundra Swan
102-107 Limpert and Earnst, 1994
One species, the tundra swan
(Cygnus columbianus), is common whereas the other species, the trumpeter swan (Cygnus buccinator), is rare and federally protected in the United States.
numbers seemed to have hit a new high this year, experts say.
There's nothing more beautiful than a tundra swan
in the snow."