i ▁National ▁Park ▁in ▁T anz ania , ▁the ▁Ma as ai ▁Mar a ▁National ▁Reserve ▁in ▁Ken ya ▁and ▁the ▁Li u wa ▁P lain ▁National ▁Park ▁in ▁Z amb ia . ▁ ▁M igration ▁ ▁Not ▁all ▁w ilde be est ▁are ▁mig rat ory . ▁Black ▁w ilde be est ▁her ds ▁are ▁often ▁nom adic ▁or ▁may ▁have ▁a ▁regular ▁home ▁range ▁of ▁. ▁Bull s ▁may ▁occup y ▁territ ories , ▁usually ▁about ▁ ▁apart , ▁but ▁this ▁spacing ▁var ies ▁according ▁to ▁the ▁quality ▁of ▁the ▁habitat . ▁In ▁fav ou rable ▁conditions , ▁they ▁may ▁be ▁as ▁close ▁as ▁, ▁or ▁they ▁may ▁be ▁as ▁far ▁apart ▁as ▁ ▁in ▁poor ▁habitat . ▁Fem ale ▁her ds ▁have ▁home ▁ranges ▁of ▁about ▁ ▁in ▁size . ▁H erd s ▁of ▁non ter rit orial ▁b ach elor ▁males ▁ro am ▁at ▁will ▁and ▁do ▁not ▁seem ▁to ▁have ▁any ▁restrictions ▁on ▁where ▁they ▁w ander . ▁ ▁Blue ▁w ilde be est ▁have ▁both ▁mig rat ory ▁and ▁sed ent ary ▁populations . ▁In ▁the ▁N gor ong oro , ▁most ▁animals ▁are ▁sed ent ary ▁and ▁males ▁maintain ▁a ▁network ▁of ▁territ ories ▁throughout ▁the ▁year , ▁though ▁bre eding ▁is ▁season al ▁in ▁nature . ▁Fem ales ▁and ▁young ▁form ▁groups ▁of ▁about ▁ 1 0 ▁individuals ▁or ▁join ▁together ▁in ▁larger ▁aggreg ations , ▁and ▁non ter rit orial ▁males ▁form ▁b ach elor ▁groups . ▁In ▁the ▁Ser en get i ▁and