▁( New ▁York ▁City ▁Sub way ▁service ), ▁a ▁sub way ▁route ▁in ▁New ▁York ▁City , ▁United ▁States ▁ ▁C ▁( S - train ), ▁a ▁comm uter ▁rail ▁line ▁in ▁C open hagen , ▁Den mark ▁ ▁Rap id R ide ▁C ▁Line , ▁a ▁bus ▁route ▁in ▁Seattle , ▁United ▁States ▁C ▁Line ▁( M inn esota ), ▁a ▁rapid ▁bus ▁route ▁in ▁Min ne apolis , ▁United ▁States ▁ ▁See ▁also ▁ ▁C ▁Train ▁( disambiguation ) <0x0A> </s> ▁C um aca ▁C ave ▁is ▁a ▁large ▁cave ▁system ▁located ▁in ▁northern ▁of ▁Tr in idad , ▁in ▁the ▁sout he astern ▁area ▁of ▁the ▁Northern ▁Range . ▁This ▁cave ▁is ▁sometimes ▁also ▁called ▁O rop ou che . ▁ ▁The ▁c aves ▁are ▁home ▁to ▁b ats ▁and ▁O il bird s ▁( Ste ator nis ▁car ip ensis ). ▁These ▁are ▁the ▁only ▁no ct urn al ▁fruit ▁e ating ▁birds ▁in ▁the ▁world . ▁They ▁for age ▁at ▁night , ▁navig ating ▁by ▁e ch ol ocation ▁in ▁the ▁same ▁way ▁as ▁b ats , ▁but ▁with ▁a ▁high - p itch ed ▁clicking ▁sound ▁aud ible ▁to ▁humans . ▁ ▁The ▁cave ▁is ▁also ▁home ▁to ▁hyp oge an ▁fish es . ▁Most ▁not ably ▁the ▁semi - bl ind ▁cat fish , ▁R ham dia ▁qu elen ▁or ▁South ▁American ▁Cat fish , ▁which ▁was ▁at ▁first ▁believed ▁to ▁be ▁a ▁distinct ▁cave ▁species ▁and ▁was ▁named ▁Ca ec or ham dia ▁u rich