Why subscribe?

Subscribe to get full access to the newsletter and website. Never miss an update.

Stay up-to-date

You won’t have to worry about missing anything. Every new edition of the newsletter goes directly to your inbox.

Join the crew

Be part of a community of people who share your interests.

To find out more about the company that provides the tech for this newsletter, visit Substack.com.

Subscribe to Bird Mountain

Mark Bonta's Big Year quest to log 200 species for Plummer's Hollow in 2023.


Geographer, birder, scholar out of Tyrone, Pennsylvania. Writing about the birds of the Plummer's Hollow Nature Reserve.