Official companion app
Discover the world of birdsong
Explore over 300 professional recordings with stunning sonagram visualizations directly from The Sound Approach.
The award-winning guide to birdsong
The Sound Approach app is the official companion for “The Sound Approach to Birding” book series. Whether you're in the field or at home, access our comprehensive library.
Everything you need in the field
Sylvia hortensis
On a warm evening in late May, a male sings from a cork oak...
Parus major
Calling from a tree in the park, a Chaffinch close by...
Firecrest • Regulus ignicapilla
Two autumn migrants, one near and one far, calling rapidly...
Hear every detail
High-quality, recording-first playback designed for focused listening.
See vocal patterns
Visual sonagram timelines that let you see exactly what you hear.
Downloads
Red-throated Diver
SavedMarsh Warbler
26%Bluethroat
Queued1 of 3 recordings saved for the field
Stay ready offline
Download your favorite recordings to stay prepared in the field.
Search faster
Smart filters and mixed results to find species and recordings instantly.
See the sound
Sonagrams reveal patterns invisible to the ear alone, helping you identify subtle differences between similar species.
Our animated sonagrams play seamlessly alongside audio recordings, letting you see exactly what you're hearing in real-time.
Start exploring today
Download The Sound Approach app and bring the world of birdsong to your fingertips. Available for iOS and Android.
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