| "40 warbler songs in the palm of your hand. It's a great resource for everyone interested in warblers." - Wayne Petersen, Field Ornithologist Mass Audubon Society. Introducing a powerful way to master warbler vocalization using sound and sight. 1. Study the song grounping on the SongCards. 2. Listen in the field and determine which group they belong to. 3 Play the SongCards through an Identiflyer and match the song. 4. Use the Mnemonic Guide to help remember the vocalizations. |
