• (n.) Any one of several species of beautiful birds of Australia and New Guinea, of the genera Ptiloris and Craspidophora, allied to the paradise birds. Found on http://thinkexist.com/dictionary/meaning/riflebird/
<ornithology> Any one of several species of beautiful birds of Australia and new Guinea, of the genera Ptiloris and Craspidophora, allied to the paradise birds. ... The largest and best known species is Ptiloris paradisea of Australia. Its general colour is rich velvety brown, glossed with lilac; the under parts are varied with rich olive gre... Found on http://www.encyclo.co.uk/local/20973
Ri'fle·bird` noun (Zoology) Any one of several species of beautiful birds of Australia and New Guinea, of the genera Ptiloris and Craspidophora , allied to the paradise birds. » The largest and best known species is Ptiloris paradisea of Australia. Its general color i... Found on http://www.encyclo.co.uk/webster/R/81