よこばいガラガラへびでしょう
横這いガラガラ蛇でしょう
yokobai garagara hebideshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of よこばいガラガラへび

1. Probably a sidewinder rattlesnake.

Polite
Presumptive
Conjecture
Usually Written in Kana