Relative sizes based on X/Y 3D models.

Shiny textures included in animation menu.

See following links for individual models with more animations:

Pidgey: https://sketchfab.com/models/8f8c7bae6bb544cca620e25458c1ccb6

Pidgeotto: https://sketchfab.com/models/2817f84c64a645cd954130172feca141

Pidgeot: https://sketchfab.com/models/80e738ece46747b9ac6ac22d49cf822d