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Chrysophlegma is a genus of birds in the woodpeckers family Picidae. 
These species, found in South and Southeast Asia, were all previously assigned to the genus Picus.

Chrysophlegma
chryso-
gold (metal or colour); yellow
khrusos meaning "gold" and phlegma meaning "flame" or "fire".
Phlegm phlégō phlégma (/ˈflɛm/; Ancient Greek: φλέγμα, phlégma, "inflammation", "humour caused by heat")

1/ Greater yellownape (Gõ kiến xanh gáy vàng, Chrysophlegma flavinucha)
flavinucha
flavi (present flavas, past flavis, future flavos, conditional flavus, volitive flavu): to be yellow in color
nucha. / (ˈnjuːkə) / nounplural -chae (-kiː) zoology anatomy the back or nape of the neck.

Greater yellownape 
(Gõ kiến xanh gáy vàng, Chrysophlegma flavinucha)

The greater yellownape (Chrysophlegma flavinucha) is a species of bird in the woodpecker family Picidae.
The bird is found in East Asia from northern and eastern India to south-eastern China, Indochina, Hainan, and Sumatra.

Chrysophlegma
 chryso-: gold (metal or colour), yellow from Greek khrusos meaning "gold" and phlegma meaning "flame" or "fire".
 Phlegm phlégō phlégma (/ˈflɛm/; Ancient Greek: φλέγμα, phlégma, "inflammation", "humour caused by heat")
flavinucha
 flavi (present flavas, past flavis, future flavos, conditional flavus, volitive flavu): to be yellow in color
 nucha. / (ˈnjuːkə) / nounplural -chae (-kiː) zoology anatomy the back or nape of the neck.