Only a very few bird species – 36, out of almost 11,000 known species — are members of monotypic bird families . This means that they have no close living relatives.
Carboneras, Carlos (1992). "Magpie Goose". In del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi (eds.). Handbook of the Birds of the World . Vol. 1. Lynx Edicions. pp. 574–575. ISBN 84-87334-10-5 .
IOC (2022a). "Screamers, ducks, geese, swans" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022b). "Finfoots, flufftails, rails, trumpeters, cranes, Limpkin" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022c). "Ibis, spoonbills, herons, Hamerkop, Shoebill, pelicans" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022d). "Grassbirds, Donacobius, tetrakas, cisticolas, allies" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022e). "Sandpipers, snipes, Crab-plover, coursers" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022f). "Waxwings and allies, tits, penduline tits" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022g). "Dapple-throats, sugarbirds, fairy-bluebirds, kinglets, Elachura, hyliotas, wrens, gnatcatchers" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022h). "Whiteheads, sittellas, Ploughbill, Australo-Papuan bellbirds, Shriketit, whistlers" . IOC World Bird List . Retrieved 11 April 2022 .
IOC (2022i). "Australasian robins, rockfowl, rockjumpers, Rail-babbler" . IOC World Bird List . Retrieved 11 April 2022 .