Great frigatebird (Fregata minor) female incubating egg as male grooms her. Espanola Island, Galapagos, Ecuador, May.  ,  BEHAVIOUR,BIRDS,bonding,Ecuador,EGGS,FRIGATE BIRDS,GALAPAGOS,GROOMING,MALE FEMALE PAIR,nesting,NESTS,PARENTAL,SEABIRDS,SOUTH AMERICA,two,VERTEBRATES,VERTICAL,SOUTH-AMERICA  ,  Tui De Roy