Icaronycteris index--fossil bat Bats pop out of nowhere, already flying. Four of the five oldest known bats evidently were capable of echolocation. All of them were fully capable of flying. No living or fossil gliding intermediates are known.
"The Irish Deer or Giant Deer was a species of Megaloceros and one of the largest deer that ever lived. Its range extended across Eurasia, from Ireland to east of Lake Baikal, during the Late Pleistocene.