A new eocene -like mousebird (Aves: Coliiformes) with a remarkable gaping adaptation

null null A skull of a new species of mousebird (Aves: Coliiformes) is described from the Middle Eocene of Messel in Germany. null Chascacocolius cacicirostris null n. sp. is the fifth coliiform species described from the Messel deposits, and a further example of the remarkable similarity between the early Eocene avifaunas of North America and Europe. As for its much smaller North American counterpart, null C. oscitans null Houde & Olson, 1992,...