Large Herd of Blue Wildebeest Slowly Approaching Waterhole in Nxai Pan

large herd blue wildebeest slow walking approach waterhole nxai pan national park botswana arid area desert water thirst connochaetes taurinus wildebeest strolling thirsty big group herbivores line single file daytime day sunny bright wide shot reflection no wind many animals warm hot heat safari eco tourism congregate kalahari desert kalahari full hd 1080p 50fps static shot outdoors realtime real time dry season