AppearanceIt is 10–12 cm long. The upperparts are green; darker and greyer in northern races. There is a narrow white ring around the eye and a thin black line between the bill and eye. The underparts vary from pale yellow to greyish-white depending on the race. The bird has various twittering and buzzing calls.
DistributionIn Africa it occurs from north-east Sudan south through Eritrea, Ethiopia, northern Somalia and Kenya to north-east Tanzania. It is also found on Socotra Island. In Arabia it occurs in south-west Saudi Arabia, Yemen and southern Oman.
HabitatIt occurs in open woodland, scrub, wadis and gardens. It is found up to 1,800 metres above sea-level in Africa and 3,100 metres in Arabia. It usually forages among branches in trees but sometimes descends to ground-level. It feeds mainly on insects and will also take nectar from flowers.
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