Daniel Koehn Forum Role: ParticipantActive Since: June 21, 2020Topics Started: 0Replies Created: 9 Profile Topics Started Replies Created Daniel Koehn's Courses Be a Better Birder 1: Size and Shape Be a Better Birder: Duck and Waterfowl Identification Ornithology: Comprehensive Bird Biology Bird Song Basics: Getting Started with Birding by Ear eBird Essentials How to Record Bird Sounds