Handbook of the birds of the world
Remizidae (Penduline-tits), Aegithalidae (Long-tailed tits), Sittidae (Nuthatches), Tichodromidae (Wallcreeper), Certhiidae (Treecreepers), Rhabdornithidae (Rhabdornis), Nectariniidae (Sunbirds), Melanocharitidae (Berrypeckers and Longbills), Paramythiidae (Painted berrypeckers), Diaceidae (Flowerpeckers), Pardalotidae (Pardalotes), Zosteropidae (White-eyes), Promeropidae (Sugarbirds), Meliphagidae (Honeyeaters), Oriolidae (Orioles), Laniidae (Shrikes)