Migrant Species

The following plot shows the number of migrant bird species versus time of year. The following family groups are plotted separately:-
Waterfowl: Greater White-fronted Goose .. Ruddy Duck - 25 migrants.
Shorebirds: Black-bellied Plover .. Red Phalarope - 27 migrants.
Warblers: Blue-winged Warbler .. Yellow-breasted Chat - 32 migrants.
Sparrows: Eastern Towhee .. Snow Bunting - 11 migrants.