Procellariiformes

• All have webbed feet and lay a single white egg
• Have bi-parental care
• Nidicolous young

• Similar sexes
• Monogamous
• Feed on oceanic animals
• Nest colonially

There are four families in the Order Procellariiformes

• Diomedeidae (albatrosses)
• Procellariidae (shearwaters, fulmars, gadfly petrels)
• Hydrobatidae (storm-petrels)
• Pelecanoididae (diving-petrels)