Rowe, M. P. Evolution of vertebrate colour vision. Clinical and Experimental Optometry 87, 206–216 (2004). Kilner, R. M. The evolution of egg colour and patterning in birds. Biological Reviews ...

We might think that we understand how birds communicate, hunt, and navigate the world, but really, we are filling in the gaps ...

Donna Posont, who teaches the program Birding by Ear and Beyond in Dearborn, Michigan, will speak in Springfield February 26.