Mollymawks belong to the albatross family, Diomedeidae, which shares the order Procellariiformes with shearwaters, fulmars, storm petrels, and diving petrels.
2.
The "'black-footed albatross "'( " Phoebastria nigripes " ) is a large seabird of the albatross family Diomedeidae from the North Pacific.
3.
The common name does not indicate relationship beyond that point, as " petrels " occur in three of the four families within that group ( except the albatross family, Diomedeidae ).
4.
The "'black-browed albatross "'( " Thalassarche melanophris " ), also known as the "'black-browed mollymawk "', is a large seabird of the albatross family Diomedeidae; it is the most widespread and common member of its family.