▁that ▁fall ▁out ▁of ▁n ests ▁or ▁adult s ▁that ▁become ▁tang led ▁in ▁the ▁stick y ▁P ison ia ▁se eds ▁are ▁quickly ▁dev oured ▁by ▁cent ip edes ▁and ▁the ▁nut ri ents ▁eventually ▁returned ▁to ▁the ▁soil . ▁From ▁December ▁to ▁May , ▁mig rat ory ▁w edge - ta iled ▁she ar w aters , ▁col lo qu ial ly ▁known ▁as ▁' m utton ▁birds ', ▁nest ▁in ▁bur rows ▁in ▁the ▁interior ▁of ▁the ▁island ▁and ▁their ▁m ourn ful ▁w ails ▁can ▁be ▁heard ▁at ▁night . ▁These ▁birds ▁are ▁readily ▁seen ▁along ▁the ▁forest ▁walk ▁at ▁night ▁and ▁pre ca ution ▁must ▁be ▁taken ▁to ▁not ▁st ray ▁from ▁the ▁path ▁as ▁the ▁bur rows ▁easily ▁collapse ▁under ▁the ▁weight ▁of ▁a ▁person . ▁From ▁September ▁to ▁March , ▁mig rat ory ▁shore bird s ▁such ▁as ▁rud dy ▁turn stone , ▁grey - ta iled ▁t att ler , ▁wand ering ▁t att ler , ▁bar - ta iled ▁god w it , ▁Pacific ▁golden ▁p lo ver ▁and ▁less er ▁sand ▁p lo ver ▁can ▁be ▁seen ▁for aging ▁on ▁the ▁re ef ▁flat ▁at ▁low ▁t ide . ▁Buff - band ed ▁rails , ▁white ▁and ▁grey ▁phases ▁of ▁the ▁eastern ▁re ef ▁eg ret , ▁pied ▁o yst erc atch ers , ▁so oty ▁o yst erc atch ers ▁and ▁Cap ric orn ▁silver ey es ▁are ▁resident ▁on ▁the ▁island ▁year - round . ▁ ▁The ▁island ▁is ▁a ▁nest