Birds are one of the most diverse clades of extant terrestrial vertebrates. a diversity that first arose during the Mesozoic as a multitude of lineages of pre-neornithine (stem) birds appeared but did not survive into the Cenozoic Era. Modern birds (Neornithes) inhabit an extensive array of ecologically distinct habitats and have specific and varied foraging strategies. Likewise. https://spencertifieders.shop/product-category/home-media-players/