What I think( the model) may imply is that there are a lot of factors involved in how birds are responding, even to something like moving their nesting dates forward, we need to do a better job of understanding what factors may be important.

John Bates

These stresses haven't necessarily doomed anything to extinction, but they're definitely changing the conditions that all of these organisms are dealing with, and that may have really important ramifications -- and anything like that has potentially big implications for humans, too.