Dennis Forum Role: ParticipantActive Since: April 6, 2020Topics Started: 0Replies Created: 2 Profile Topics Started Replies Created Dennis's Courses Ornithology: Comprehensive Bird Biology Be a Better Birder 1: Size and Shape Be a Better Birder 2: Color and Pattern Bird Song Basics: Getting Started with Birding by Ear Be a Better Birder: Hawk & Raptor Identification Archived Series eBird Essentials Joy of Birdwatching