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 
2 responses to “Another sign of seasonal shifting?”
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