John Bevis’ 2010 book Aaaaw to Zzzzzd: The Words of Birds collects the nonsense words that birders have invented to try to convey bird calls and songs: ag ag ag ag arr: fulmar beesh: scaled quail bek bek bek: red-throated loon chack-weet weet-chack: northern wheater djadjadja: twite ee woomp: bittern hup-hup-a-hwooo: red-billed pigeon kakakowlp-kowlp: yellow-billed cuckoo kuk-kuk-cow-cow-cow-cowp-cowp: pied-billed grebe quickquickquickquick: cuckoo seedle seedle seedle chup chup: hermit warbler tiutiu-tiutiutiuk-swee: yellowhammer trrrrk: wrentit tzew-zuppity-zuppity-zup: rufous hummingbird weeta weeta weeta che che che: Lucy’s warbler wheet-tsack-tsack-tsack: stonechat zeeda-zeeda-zeeda-sissi-peeso: goldcrest zoo zee zoo zoo zee: black-throated green warbler Other interpreters have used actual...