A Southern oryx, or Gemsbok, pauses on sand dunes rising from the seasonal Hoarusib River in Namibia's remote Skeleton Coast Park.This thick-necked antelope with long, straight horns is a desert species and will survive for long periods in dry areas by licking moisture from plants and shrubs deposited by sea mists or fogs, which roll inland on a southwest sea breeze from the Atlantic Ocean. Purros