Charadrius
vociferus
(Killdeer)
Physical
Description:
9-11" (23-28 cm). Adults
have white underparts and underwings with two contrasting broad black bands
across breast (top band completely encircles neck); plain tan above; rump rufous;
tail long and tapered with white edges and black subterminal band; upper wing
with bold white stripe seen in flight. Black forecrown and face mask separated
by white forehead and eyebrow; bill small and black; eyes large and dark.
Similar Species- Other Plovers
Song:
Gives piercing alarm whistles,
repeats its name, and trills a dididididididee.
Distribution:
Breeds from Alaska, east through
parts of Canada to Newfoundland, and south to southern Baja California, central
Mexico, Gulf Coast, southern Florida, and western South America. Winters from
southeastern Alaska (rarely), southern British Columbia, central U.S., and New
England, south to western Indies and northern South America.
Habitat:
Found in fields, meadows, pastures, mudflats,
and shores of lakes, ponds, and rivers; found less commonly along seacoasts.
Diet:
Feeds on small invertebrates on ground
surface, but will also feed in shallow water.
Ecology:
Nests in depression on ground, in variety
of habitats from unconcealed locations near human habitation, to gravelly, camouflaged
areas. Nesting density in several different areas was 13-30 pairs/ha. Forages
on ground. Sometimes active on moonlit nights. Adults engage in broken-wing
distraction displays. In Idaho study, Killdeer were more abundant in grazed
than ungrazed riparian habitat.
Conservation:
Element Code: | ABNNB03090 |
Status: | Protected nongame species |
Global Rank: | G5 |
State Rank: | S5,NTMB |
National Rank: | N5B,N5N |
Important
State References:
Medin, D.E. and W.P. Clary. 1990. Bird
and small mammal populations in a grazed and ungrazed riparian habitat in Idaho.
USDA Forest Service Inter. Res. Sta. Res. Paper INT-245, Boise. 8pp.