Cape White-eye
Zosterops virens
This species is about 12 cm long with rounded wings, strong legs, and a conspicuous ring of white feathers round the eyes. The upperparts are green, and the throat and vent are bright yellow. The members of the Z. v. capensis has a grey breast and belly, whereas Z. v. virens has a greenish-yellow breast and belly. They are very vocal, and constantly keep in touch with soft trilled pee, pree or pirreee call notes.
ID text from Wikipedia, CC BY-SA 4.0
Warbling White-eye
Zosterops japonicus
The warbling white-eye is olive green on its back, from anterior to posterior, and is pale green on its underside. Its feet, legs, and bill range from black to brown. It has a green forehead and a yellow throat. The white-eye has rounded wings and a long, slender bill – both of which indicate this bird to be very acrobatic. Its wings are dark brown but outlined in green. Like other white-eyes, this species exhibits the distinctive white eyering that gives it its name (mejiro, as the bird is known in Japan, translates to "white eye"). Adults range from 4 to 4.
ID text from Wikipedia, CC BY-SA 4.0
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