The red-billed leiothrix, Leiothrix lutea, an Asian babbler with grey upperparts and red and yellow underparts, which has a loud melodious song and is popular as a cage bird, especially in China.
Origin
Early 20th century; earliest use found in The Newark Advocate.
Definition of Peking robin in US English:
Peking robin
noun
The red-billed leiothrix, Leiothrix lutea, an Asian babbler with grey upperparts and red and yellow underparts, which has a loud melodious song and is popular as a cage bird, especially in China.
Origin
Early 20th century; earliest use found in The Newark Advocate.