What a pile of Poop science. The birds were emaciated and that shows there was not enough food? Why does it not show they had an illness that made them unwilling to eat?  

Maybe AGW is real, maybe its not, maybe its partial but crap on the spot guesses are not evidence yet we are expected to believe they are. 

Puffins eat fish. They live in the water. The AIR temperature was warmer than usual. But the water temp? What was that? If the water has not risen what caused their food source to fall?