A cute candid photo of the ferret 'borrowing' objects that catches it's eye. However the green basket is far too distracting and takes the attention away from your main subject. One sees far too much of the basket rather than the cute ferret. A closer crop to just the ferret and the purloined pen would help strengthen the composition. Lighting could be better as that I think you might have used flash. Nothing wrong with using flash as long as it does not create harsh shadows (none are in this picture) or cause an object to reflect back the light resulting in blow-outs/overexposed areas. The top left hand portion of the 'wood' is reflecting back the light resulting in that area to be washed out.