This Spinosaurus dinosaur has multiple animations from all sorts like basic locomotion (run, walk, turn), idles, attacks, roars, etc... with both in place, and root motion animations. It includes 3 different color variation.
https://sketchfab.com/models/757d28e1fd284c20a10482bdc2d43ab6
The base mesh is 4538 vertices with LODs of 2706 and 1759 vertices.
It uses 2048 maps for diffuse, specular, and normals.
You can have a look at some of the animations and the animation list on the
WEBPLAYER DEMO Not scripted! Just a 3D model, maps, and animations. Included demo scene.