Western Bluebill - Spermophaga haematina

Description
Size: 6 inches
Male bill blue with red tip; red from chin to breast and flanks, broke pale whitish-blue eye ring.
Female: bill as male but less red at tip; face black, washed red or maroon.
Call: is a fairly sharp (or can be soft to almost inaudible) 'tip', 'tsik', 'tsip', or even a more drawn-out 'tsee'; has a strong Sylvia warble-like 'tack', often repeated in alarm.
Song: is a low clucking series of 'tack' notes rising into a trill before dying away.