Link to English Wikipedia entry: Galápagos Blue-footed Booby
Link to German Wikipedia: Blaufußtölpel
Link to French Wikipedia: Fou à pieds bleus
Link to EOL.org: Sula nebouxii excisa
Link to iNaturalist.org: Sula nebouxii excisa
Links to my pictures: Galápagos Blue-footed Booby
Binomial Links for Sula nebouxii excisa on guenther-eichhorn.com
Dr. Günther Eichhorn Travel Website
Soaring website