I have written about Blackeyed Bulbuls before and am pleased to see and hear these cheerful birds back in our garden after a short absence. They have been re-named Dark-capped Bulbuls (Pycnonotus tricolor) and are easily recognisable by their dark head, dark eye-ring and the yellow vent below their tails. These are conspicuous birds with a lively chattering call sometimes described as klip, klop kollop with enough variations to make one look more closely to be sure that it is indeed a Blackeyed Bulbul one is hearing! I have also heard their call quite accurately described as ‘doctor-quick doctor-quick be-quick be-quick’.
I often see these birds sitting on top of the trees or bushes calling out to one another across the garden. They have probably returned to feed on the plentiful nectar provided by the aloes as well as the berries borne by several trees in our garden. They also eat insects – of which there are many in our garden.
Note: In light of the reference to Cape Bulbuls below, I include a picture of one for comparison.