Goldcrest
Regulus regulus
Goudhaan
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Goldcrest Regulus regulus Goudhaan |
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Calls (small file) |
16 kB | Holterberg, NL | July 18, 1999 | ||
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Calls (bigger file) |
129 kB | Holterberg, NL | July 18, 1999 | Cf. calls of Firecrest | |
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Calls of juveniles |
75 kB | Vlieland, NL | June 6, 1999 | ||