zhā
used in 嘲哳[zhao1 zha1] and 啁哳[zhao1 zha1]
Taiwan pr. [zha2]
啁哳
zhāo zhā
(literary) (onom.) combined twittering and chirping of many birds
嘲哳
(onom.) clamorous noise made by numerous people talking or singing, or by musical instruments, or birds twittering