There's Sue, the T-Rex in the Lobby of Chicago's Field Museum.  There's Hope, the Blue Whale skeleton in the Atrium of London's Natural History Museum.  Here's Woody the Loon, a public art proposal in progress.

Building renderings provided by Lavallee Brensinger Architects.

3d printed from a 3d scan of a loon cranium by the Idaho Natural History Museum's Virtualization Lab.  

Sketch Collage, Plan and Section.