The call of the Common Loon is a symbol of the far north. But the species once nested as far south as southern New England, Ohio, Iowa, and California. Human activity and changes to the landscape in these more populated areas has made it harder for loons to persist. There have been encouraging signs in recent years that Common Loons could make a comeback in the southern parts of their range — with our help.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.