Britannica
Sources used in this answer
Which modern passerine families were established by the early Miocene Epoch?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
Passeriform
Reed warbler (Acrocephalus scirpaceus).
By the early Miocene Epoch, passerine birds had become highly abundant and diverse, with several basic family lineages containing modern genera already established. These families include: