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• 10-Minute Sampler
• Introduction
• Vocal Range of Songbirds
• Importance of Song
• Birdsong: Learned or Innate?
• Syrinx: Dual Voicebox
• Calls and Songs
• Call Notes
• Chicken Calls
• Song and Breathing
• Circular Breathing
• Egg Calls
• Coiled Trachea
• Throat Singing
• Whistling
• Size and Sound
• Regional Song Dialects
• Drumming: Woodpeckers Etc.
• Song Duels?
• Rusten Interview

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Program Information — Series 1 & 2
Click on a program in the right-hand column to see a description and program notes.

Internal Duets - Thrushes Program Description The Swainson's thrush sings lovely harmonies using the two branches of its syrinx simultaneously. The varied thrush sounds like whistling and humming at the same time. Program & Recording Notes Chris Tenney recorded one of the Swainson's thrush songs near Carmel River, the hermit thrush in the northern Sierra Nevada, and the California thrasher in Pinnacles, NM [!]. The second Swainson's thrush song can be found on the CD collection Bird Songs of California produced by the Cornell Laboratory of Ornithology. I slowed both Swainson's thrush songs using Bias Peak.

Series 1 Introduction Vocal Range Importance of Song Avoiding Monotony Learning Song Hip Hop Mimicry Hummingbird Complexity Syrinx Anatomy Internal Duets (Cardinal) Internal Duets (Cowbird) Internal Duets (Thrushes) Syrinx & Pan Pipes Series 2 Songs & Calls Call Repertoires Alarm Calls Mobbing Calls Call Notes Cross-Species Alarms Pishing Breathing Lungs & Air Sacs Circular Breathing Resonance Cooing