To reproduce:
1. Open attached project
2. Open scene "default". It contains a script which does resources.load for three different files with the same name "a" and outputs what's been loaded into the console
3. Enter play mode and you'll notice that a texture2d has been loaded twice. Upon inspecting the script you'll see that an animation should have been loaded instead

It does not matter in what order the resources are loaded - as long as they have the same name, the animation becomes a texture2d.