(Of a bird species) having a red coloured beak or bill.

A gull native to New Zealand, its surrounding islands and subantarctic islands; the Chroicocephalus scopulinus.

plural of red-billed gull

A small passerine bird, Leiothrix lutea, of the Himalayas, Myanmar, China and northern Vietnam; a common cagebird.

plural of red-billed leiothrix

Hylexetastes perrotii, a species of woodcreeper bird found in regions of Africa and South America.