Ibero-mesornis - sparrow-sized fossil bird from the Cretaceous period of time getting a vestigial tail; located in Spain; deemed perhaps the 3rd most primitive of all birds apodiform bird - nonpasserine bird acquiring prolonged wings and weak feet; spends much of its time in flight Chickens are gregarious birds https://garrettcrqin.blogsidea.com/32736975/the-best-side-of-chicken-liver-pate