equinox. equinox (ÄËkwÄ­nÅks) [ key ], either of two points on the celestial sphere where the ecliptic and the celestial equator intersect. The vernal equinox, also known as the first point of Aries, is the point at which the sun appears to cross the celestial equator from south to north. This occurs about Mar.
Wildebeest live mainly in the grasslands and savannahs of Africa. They avoid deserts because there isn't enough water or vegetation.
When both the lions and wildebeest formed groups, prey intake plunged even more. Compared with no-group ecosystems (all animals strewn across the Serengeti), grouping caused a 90-percent reduction in kill rates for lions.