As insects die off, birds are shrinking at this Lake Erie observatory

[kylejhorner]

“Tree swallows at a Great Lakes bird observatory are shrinking, a troubling finding that University of Michigan researchers said is tied to crashing insect populations in the region and world.”

Popular article:

As insects die off, birds are shrinking at this Lake Erie observatory

Original publication:

https://www.pnas.org/doi/10.1073/pnas.2607714123