Yes, the "Bull Frog Trail" is basically an "Indian Fire Trail" model. Exact same frame.
The only difference was the name given (for the german/european market) and 2 parts of the group set. Both were listed as Shimano XT equipped. But the Bull Frog came with XT crankset and XT cantis instead of LX like on the Indian Fire Trail.
Not so much of a huge difference - but still one of the rarer Marin models so to say.
Cleaned, lubricated and installed the XTR bottom bracket, cleaned and installed the XTR crankset and received a Ringle Modjo hanger ...one more is still on my wanted list! As you can see, the crankset has some scratches. Compared to the usual FC M900 set, its in pretty good shape with nice logos. My goal is not, to have all NOS or museum-like parts. They have to look just fine, thats alright with me!