Cathy Forum Role: ParticipantActive Since: April 18, 2020Topics Started: 0Replies Created: 1 Profile Topics Started Replies Created Cathy's Courses Be a Better Birder 1: Size and Shape Be a Better Birder 2: Color and Pattern Be a Better Birder: Duck and Waterfowl Identification Ornithology: Comprehensive Bird Biology Bird Song Basics: Getting Started with Birding by Ear Feeder Birds: Identification and Behavior Understanding Bird Behavior Be a Better Birder: Warbler Identification Nature Journaling and Field Sketching Bird Photography with Melissa Groo Joy of Birdwatching The Wonderful World of Owls The Wonderful World of Woodpeckers eBird Essentials