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Identify birds by photo or sound, explore the bird encyclopedia, and look up ornithology terms in the dictionary.
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Pick the tool for your observation
Each tool is built for a specific moment, so you can get help without downloading anything first.
Photo Bird ID
Upload a bird photo for AI-assisted species identification with encyclopedia links.
Open toolSound Bird ID
Record bird songs and calls to get likely species matches from your audio capture.
Open toolField Notes Bird ID
Identify likely birds from field marks, habitat, behavior, place, and date.
Open toolSimilar Species Comparison
Compare two easily confused bird species using diagnostic field marks.
Open toolOrnithology Dictionary
Look up birding and ornithology terms with plain-language definitions and cross-links.
Open toolBird Encyclopedia
Explore detailed species profiles with photos, habitat notes, and identification tips.
Open toolUse the app when you want mobile, use the web when you want speed
Identify birds by photo or sound, explore the bird encyclopedia, and look up ornithology terms in the dictionary.
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Download the mobile app
Use the iPhone app when you want Bird Lens close at hand.
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Use web tools without installing
Browser tools run instantly if you prefer not to download.
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Stay private either way
Upload only what you are comfortable having processed. The AI safety page explains the limits.
Get started in minutes
Identify birds by photo or sound, explore the bird encyclopedia, and look up ornithology terms in the dictionary.