The Collaborative International Dictionary of English v.0.48:

kildeer \kildeer\ n.
   Same as killdeer.

   Syn: killdeer, killdeer plover, Charadrius vociferus.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

kildeer
    n 1: American plover of inland waters and fields having a
         distinctive cry [syn: killdeer, kildeer, killdeer
         plover, Charadrius vociferus]

U.S. Gazetteer Places (2000):

Kildeer, IL -- U.S. village in Illinois
   Population (2000):    3460
   Housing Units (2000): 1095
   Land area (2000):     3.471641 sq. miles (8.991509 sq. km)
   Water area (2000):    0.045635 sq. miles (0.118195 sq. km)
   Total area (2000):    3.517276 sq. miles (9.109704 sq. km)
   FIPS code:            39883
   Located within:       Illinois (IL), FIPS 17
   Location:             42.179529 N, 88.050546 W
   ZIP Codes (1990):
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Kildeer, IL
    Kildeer