Appearance
The species is somewhat dimorphic, as the female is a yellow-green, and the male a brighter light emerald-green, with a small deep black face and upper throat patch.References:
Some text fragments are auto parsed from Wikipedia.
Swallow tanager
Tersina viridis
"Tersina" is a genus of tanager. It contains a single species, the swallow tanager. It is found widely throughout South America, from Panama to n. Argentina.
