Close-up west African sitatunga or marshbuck licks it's fur on green meadow

west african sitatunga sitatunga marshbuck licks cleans fur green meadow closeup animal graceful alone lonely single zoo observe watch tail escape antelope tragelaphus spekii south africa herbivorous marsh buck elegant environment park mammals zoology young brown outdoor fauna mammal grass wildlife africa nature one spekii african wild shadows sunny summer grazing eating west field