HOW DID IT GET THERE ?

How did it get there I really don't know 
Please believe me because it is so 
Not its usual habitat that is for sure
Arrived early when I left open the door 

Who or what was it I can hear you all say
Will let you know in a while if that's okay 
Well it had a flat head and very big eyes
A non existant tail and two feet in size 

The colour of him was a brownish green 
Claws on each foot were also visibly seen 
So what was it climbing my tablecloth 
The answer dear friend is a lovely sloth