“That still leaves a gaping hole in hummingbird history, however. Modern hummingbirds evolved in the Americas around 22 million years ago, according to McGuire’s estimates, but we don’t have any fossils from the West that are older than 10,000 years ago. “We basically have no fossil material we can use” in the New World to figure out how to connect the dots, says McGuire.”
https://www.audubon.org/news/the-origins-hummingbirds-are-still-major-mystery