And pitching a camp is only the first step in a successful stakeout. Birds have excellent sight and hearing, so the photographers must keep their tents sealed up tight. If the sun shines through even the smallest crack, the sharp-eyed raptors notice immediately and will not perch on the acacia.
以天空為家的鳥兒有絕佳的聽覺與視覺，攝影者的帳篷必須封得密實，稍有縫隙，陽光透進來，眼力超人一等的猛禽立刻察覺，也就不願停到枯樹上來。