I, for one would not argue against this latest evidence. See my Natural Events Calendar link for a personal slant from last year. It is pure conjecture as to whether there is a definite trend but these events are thought provoking, to say the least.
Butterflies move faster than birds in response to climate change
Kind Regards
Tony Powell
naturestimeline 
Your blog is full of useful and interesting facts and information… I am so glad you commented on my blog, so I could see yours! You have an excellent list of useful websites too.
Thank you too, for liking and subscribing to my blog. If you have a list of linked websites, would you be as kind as to link mine?
Kind Regards
Tony Powell