Photo Details
1. male - February
15, 2004 - Antelope
Island Causeway,
Davis County, Utah - 2.
Female - December
24, 2003 - Framington
Bay, Davis County, Utah - ©NJDavis
Description
L 13.5 WS 21, Male-White
body and back of head. Female distinctive oval white patch on
head, Dark
brown
to black back, Small gray bill
Other
Lives on shallow inland
saline lakes in the summer and on coastal flats in winters.Aggressive
in
breeding colonies and will dive-bomb intruders. One of their main
concentrations
in the summer is at Great Sale Lake. Feeds by thrusting bill
underwater
and swinging from side to side checking for fish, crustaceans,
aquatic
insects. Also eats seeds. Lays 4 dark-spotted olive eggs in
a shallow depression with little lining in the open on a mudflat, marsh
or beach. If water rises they build nest up with sticks and
weeds.
Utah Seasonal
Distribution Map
Utah
Distribution Map
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