PaulTX: Repeat after me, "Our Father..."
For some, raw terror can focus one's attention to a fantastic degree! Just remember to shoot, not merely crank unfired rounds through the rifle. That does no good whatsoever.
Always work the wind, and move slowly and even more quietly than you think you can. Walk softly a little ways and wait. Repeat until something good happens.
Mid-day, they lay up in thickets, but where they can get some breeze. Not mutually exclusive. Evenings, they'll move to water. If you sit and wait, consider the wind...