I have spent about a decade as a backyard birder and have learned quite a bit in that time. I can instantly recognize the call of a red-winged blackbird and the sweet summer song of the wood thrush. I know a scarlet tanager the moment I see one and can distinguish between the various hawks that inhabit this area. I am knowledgeable about migration patterns, nesting habits, mating and fledging.
But avian olfaction? Not so much. » Continue Reading.