 According to The Observer , "the relationship between the appearance of exotic animals in the media and a corresponding increase in demand for them as pets is well documented."
<clarity>  According to The Observer , "the relationship between the appearance of exotic animals in the media and a corresponding increase in demand for them as pets is well documented."
 According to , "the relationship between the appearance of exotic animals in the media and a corresponding increase in demand for them as pets is well documented."