CHICAGO, IL, 2019-Jun-11 — /Travel PR News/ — The Chicago Department of Aviation (CDA) today (06/07/2019) welcomed the return of a herd of grazing animals to manage natural vegetation at one of the world’s busiest airports.  The grazing herd—comprised of a mix of 30 goats, sheep, and a donkey named Jackson—will be on hand at O’Hare International… Read the full press release