Song birds decline

Spring starts two weeks earlier than it did 25 years ago.... but do the birds know that?

Figures from the Netherlands show big declines in song bird populations which they attribute to migratory birds missing the spring food peak for feeding their young.  ... though I'm sure there must be other factors too...

When people talk about climate change not happening they are ignoring the evidence - that nature is already changing in response to climatic variation.  And when people talk about not trying to stop change, but just adapting to the change, they ignore the fact that for many species that's not an option - at least not any time soon....