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| Arctic Skua (Stercorarius parasiticus) |
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display calls on breeding grounds, Lewis, UK: Group B. |
| Request this recording |
| Black Grouse (Tetrao tetrix) |
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Calls from single lekking male, Scotland: Group B. |
| Request this recording |
| Black Guillemot (Cepphus grylle) |
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Calls of birds at nest, Scotland: Group A. |
| Request this recording |