KQED Science has a very interesting article about bird relationships and their evolution. Scientists have been decoding the genome of 48 species of birds and looking comparing the genes of them. They have discovered a lot of interesting information.
Birds use some of the same genes to sing that humans use to speak.
A lot of bird species developed shortly after the dinosaurs died.
The ancestor of birds lost it’s teeth before it evolved into a bird.
Take a look at the article. I would like to know all the things they have learned. The article just wet my curiosity.