Ear To The Ground Meaning

(attributively, usually hyphenated) Pursuing the practice or having the characteristic of carefully gathering information; well-informed.

Example: 1903, Charles W. Chesnutt, “The Disfranchisement of the Negro” in The Negro Problem:
  Congress never enacts a measure which is believed to oppose public opinion;—your Congressman keeps his ear to the ground.
1910, William MacLeod Raine, A Texas Ranger, ch. 3:
  â€œThere's no telling what a man might happen onto accidentally if he travels with his ear to the ground.”
1990, David Eddings, Sorceress of Darshiva, ISBN 9780345369352, p. 148:
  The tavern keeper's an old friend of mine—we was shipmates when we was younger—and he sort of keeps his ear to the ground for me.
2001 May 3, Elaine Shannon with Jessica Reaves, “Who'll Follow Freeh Into the FBI Corner Office?,” Time:
  TIME Justice Department correspondent Elaine Shannon is keeping her ear to the ground as candidates' names start to pop up.
1949 Aug. 29, “Chile: Fast Work,” Time:
  The ear-to-the-ground President knew that all the unrest could not be blamed on Communists.