Lavender Waxbill (Lavender Firefinch, Red-tailed Lavender Waxbill) - Estrilda Caerulescens
A small, almost entirely pearl- or dove-grey finch with a short but thickest blackish bill and crimson lower back to
rump and base of tail. Sexes are alike, but female separable on call
The song is a thin and squeaky series of 'see-see-see-swee' notes.
A short, shrill, high-pitched 'squee', 'tsee' or an explosive 'tseet'; female has a distinctive two- or three-syllable 'tseeeht-tseeeht' contact note, male has characteristic 'see-you' response.