Wiktionary
icterine
a. 1 yellowish 2 (context zoology English) Of or pertaining to the ''Icteridae'' family of passerine birds
Wikipedia
Icterine
Icterine is a colour, described as yellowish, jaundice-yellow or marked with yellow. It is derived from Ancient Greek ikteros ( jaundice), via the Latin ictericus. It is used as an adjective in the names of birds with yellowish plumage to describe their appearance, including the icterine warbler and icterine greenbul.