Wildebeest "The Great Space Coaster" (newscaster Gary Gnu), and "The Lion King" (the wildebeest stampede that resulted in Mufasa's death). Michael Flanders wrote a humorous song called "The Gnu", which was very popular when he performed it, with Donald Swann, in a revue called "At the Drop of a Hat", which opened in London on 31 December 1956. The wildebeest is the mascot of the GNU Project and GNU operating system. In the "Llama Llama" picture-book series by Anna Dewdney, an anthropomorphized wildebeest named Nelly Gnu is the main character, Llama Llama's best friend, and is also featured in a title
Black wildebeest of wildebeest feeding at night also increased. During cool weather, they lay down to rest, but in hotter conditions they rested while standing up. Male black wildebeest reach sexual maturity at the age of 3 years, but may mature at a younger age in captivity. Females first come into estrus and breed as yearlings or as 2-year-olds. They breed only once in a year. A dominant male black wildebeest has a harem of females and will not allow other males to mate with them. The breeding season occurs at the end of the rainy season and lasts a few weeks