▁racc o ons , ▁co y otes ▁and ▁sk unks ▁begin ▁to ▁colon ize ▁human ▁buildings . ▁ ▁( 3 ▁Month s ▁A . H .) ▁Rad iation ▁disapp ears ▁from ▁the ▁air . ▁In ▁cities , ▁air ▁quality ▁and ▁visibility ▁is ▁improved . ▁Pack s ▁of ▁fer al ▁dogs ▁ro am ▁the ▁coun tr ys ide . ▁Des perate ▁for ▁food , ▁they ▁attack ▁anything , ▁even ▁escaped ▁ele ph ants , ▁but ▁they ▁don ' t ▁have ▁any ▁success . ▁Without ▁humans , ▁ele ph ants ▁have ▁no ▁real ▁pred ators ▁anymore . ▁Meanwhile , ▁the ▁descend ants ▁of ▁pet ▁c ats ▁are ▁th riv ing ▁in ▁super mark ets ▁and ▁gro c ery ▁stores ▁by ▁fe ast ing ▁on ▁m ice ▁and ▁r ats . ▁The ▁first ▁and ▁second ▁gener ations ▁of ▁once - dom estic ▁animals ▁begin ▁to ▁propag ate ▁and ▁populate . ▁ ▁( 6 ▁Month s ▁A . H .) ▁Winter ▁begins ▁in ▁the ▁Northern ▁Hem is phere . ▁Z oo ▁animals ▁that ▁cannot ▁surv ive ▁it , ▁such ▁as ▁ele ph ants , ▁must ▁migr ate ▁to ▁southern ▁lat itudes ▁or ▁die . ▁Meanwhile , ▁without ▁artificial ▁he ating , ▁co ck ro aches ▁die ▁by ▁the ▁bill ions . ▁Anim als ▁from ▁the ▁for ests ▁seek ▁refuge ▁in ▁human ▁homes . ▁During ▁their ▁stay , ▁they ▁damage ▁furn iture ▁in ▁the ▁buildings ▁while ▁construct ing ▁their ▁own ▁temporary ▁homes ▁to ▁shelter ▁from ▁the ▁cold . ▁ ▁( 1 0 – 1 2 ▁months ▁A .