animal Blue Wildebeest Bovid Connochaetes taurinu Kenya mammal Masai Mara national park nature park Africa reserve safari Serengeti Tanzania travel trip turism vacation wilde Wildebeest body breed brown color colored colors colour coloured colours contrasting covering decorative domesticated farm farm-yard farming fawn fine fleece hair livestock ovis-aries ruminant-mammal sheep tricolor white wool cleanskin-breed disease-resistant fiber fibre fly-strike-resistant hair-sheep lice-resistant low-maintenance no-shearing parasite-resistant self-shedding black black-faced colorful colourful ewe grass grazer grazing groundcover head legs neck