Hart in Wikipedia
Hart and Hind. - Either the fallow-deer, still occasionally found in the Holy Land, or the red deer, now extinct, or the deer generally. It has afforded many illustrations to time Biblical writers and poets, especially by its fleetness (Song of Songs 2:9; Isaiah 35:6), its surefootedness [Ps. xvii (Hebr., xviii), 34; Hab., iii, 19], its affection (Proverbs 5:19), and its habit of hiding its young (Job 39:1).