▁but ▁rarely ▁it ▁may ▁nest ▁on ▁the ▁ground . ▁It ▁may ▁be ▁three ▁months ▁before ▁the ▁young ▁first ▁fly , ▁and ▁five ▁months ▁before ▁they ▁make ▁extensive ▁fl ights . ▁ ▁Red - fo oted ▁bo oby ▁pairs ▁may ▁remain ▁together ▁over ▁several ▁seasons . ▁They ▁perform ▁elaborate ▁gre eting ▁rit uals , ▁including ▁har sh ▁squ aw ks ▁and ▁the ▁male ' s ▁display ▁of ▁his ▁blue ▁thro at , ▁also ▁including ▁short ▁d ances . ▁ ▁Diet ▁Red - fo oted ▁bo ob ies ▁d ive ▁into ▁the ▁ocean ▁at ▁high ▁spe eds ▁to ▁catch ▁pre y . ▁They ▁mainly ▁eat ▁small ▁fish ▁or ▁squ id ▁which ▁gather ▁in ▁groups ▁near ▁the ▁surface . ▁ ▁Conserv ation ▁The ▁International ▁Union ▁for ▁the ▁Conserv ation ▁of ▁Nature ▁( I U CN ) ▁lists ▁the ▁red - fo oted ▁bo oby ▁as ▁a ▁species ▁of ▁least ▁concern , ▁though ▁the ▁population ▁world wide ▁is ▁decre asing . ▁The ▁warm ▁phase ▁( El ▁Ni ño ) ▁of ▁the ▁El ▁Ni ño – S ou thern ▁O sc ill ation ▁in ▁ 1 9 8 2 ▁and ▁ 1 9 8 3 ▁neg atively ▁impact ed ▁on ▁bre eding ▁on ▁Christmas ▁Island ▁as ▁higher ▁water ▁temper atures ▁reduced ▁food ▁supply . ▁Where ▁usually ▁ 6 0 0 0 ▁pairs ▁nested , ▁ 3 0 ▁pairs ▁ ▁and ▁the ▁around ▁ 6 0 ▁pairs ▁attempted ▁bre eding ▁in ▁ 1 9 8 2 ▁and ▁ 1 9 8 3 ▁respectively . ▁ ▁References ▁▁ ▁Hil ty