The impact that wiped out the dinosaurs also wiped out all songbirds, except for in (ark) Australia. Australian songbirds then spread out to rest of the planet.
The closest living descendents (aka basal lineages) are the Lyrebird and the Rufus scrub bird. The lyrebird’s song is a mixture of its own song and other birds songs. They have been also been known to mimic chainsaws, car alarms, camera shutters, and human speech.
1·1 day ago- If that’s so, then that’s not what you said. You said “plants keep evolving into trees”. While it’s true that we give the name “trees” to a variety of plants with different genetics, all of them share a common ancestor: otherwise they wouldn’t be plants but something else.