The science of birdsong - Reader's Digest

It's a sound we're all familiar with—but why do birds sing? And how do they get that perfect pitch? All your questions answered. 
It's a sound we're all familiar with—but why do birds sing? And how do they get that perfect pitch? All your questions answered. 

Buy Listening in the Field: Recording and the Science of Birdsong (Inside Technology) on ✓ FREE SHIPPING on qualified orders

Listening in the Field: Recording and the Science of Birdsong (Inside Technology)

Opinion: Listening to the Biosphere Is Key Step in Saving It, TS Digest

The Backyard Birdsong Guide Eastern and Central North America: A Guide to Listening (Cornell Lab of Ornithology) eBook : Kroodsma, Donald, McQueen, Larry, Janosik, Jon: Kindle Store

An Immense World, Book Review

The science of birdsong - Reader's Digest

Music project 'For the Birds' seeks to celebrate and save birdsong

Vintage Book, Marvels and Mysteries of Our Animal World, Zoology Book, Readers Digest Book, Zoologist Book, Coffee Table Book

Reader’s Digest May 1962 40 Anniversary Year

The Right Way to Remember Rachel Carson

What Birds Really Listen for in Birdsong (It's Not What You Think