![British Bird Sounds on CD (British Library - British Library Sound Archive): Kettle, Ron, Ranft, Richard: 9780712305129: Amazon.com: Books British Bird Sounds on CD (British Library - British Library Sound Archive): Kettle, Ron, Ranft, Richard: 9780712305129: Amazon.com: Books](https://m.media-amazon.com/images/I/61DS3xTnbAL._AC_UF1000,1000_QL80_.jpg)
British Bird Sounds on CD (British Library - British Library Sound Archive): Kettle, Ron, Ranft, Richard: 9780712305129: Amazon.com: Books
![Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid](https://quiz.natureid.no/bird/db_media/eBook/9c483d35f6be98352a135cb836a693c82f5612b6.jpg)
Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid
![Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid](https://quiz.natureid.no/bird/db_media/image/13fa7234741f8f20dcd64adf5f85ff3a8a1b1fbb.jpg)
Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid
![Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid](https://quiz.natureid.no/bird/db_media/eBook/45c8877121794b1ca3ffecb557c608b4045fc41d.jpg)
Hawfinch (Coccothraustes coccothraustes) -> Brambling (Coccothraustes coccothraustes) - BirdID's Bird Guide - Nord University - Birdid
Full article: A cost-effective protocol for monitoring birds using autonomous recording units: a case study with a night-time singing passerine
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