Analysis of information sources in references of the Wikipedia article "Frigatebird" in English language version.
{{cite journal}}
: CS1 maint: DOI inactive as of November 2024 (link)Rostrum edentulum, rectum: apice adunco, unguiculato. Nares lineares. Facies nuda. Pedes digitís omnibus palmatis.
{{cite journal}}
: CS1 maint: DOI inactive as of November 2024 (link)