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Nocmig Bird Call Recognition

Nocmigging, the study of nocturnal bird migration, is increasingly popular but very time-consuming, but what if AI could do the work for us?

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Nocmigging, the study of nocturnal bird migration, is increasingly popular but requires humans to analyse recordings on software such as Audacity, which is very time-consuming. However, artificial intelligence could do the work for us! To start with, bird detection could save a lot of time by extracting sections of recordings with bird calls in them, only needing humans to identify birds from the calls. After that, the code could be further developed to extend to bird call identification as well, which would allow autonomous recording stations to be created.

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Mikko Heikkinen wrote 2 days ago point

I found this by coincidence - I have been thinking about the same kind of system, using AI to extract bird calls for users to identify. Do you have something practical in mind, hardware or software?

I have read some articles about using AI to identify species from nocmig recordings, but have not seen any tools that could pick out (almost) any bird call, but without the need to identify the species. I've been planning to try this out, using some of my own recordings. I'm currently building a tool to annotate spectrograms, so that training AI could be tested with those. There are some open datasets also, but I have not checked those first-hand, nor I have much experience on using AI (yet).

PS: BirdNET app (Android) is pretty good in identifying many birds from their songs: https://birdnet.cornell.edu/

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Dan Maloney wrote 11/09/2019 at 18:04 point

Interesting, thanks.

Is there something that can generically identify birds by their songs. Many times I've been out hiking and wondered what bird I had heard. Trying to search for it later online is kind of tough. It would be interesting if there were a machine-learning app that could do it live in the field. Preferably away from Internet connections.

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Louis Parkerson wrote 11/10/2019 at 18:30 point

BirdGenie sounds like a good fit, although it cost $4. I personally haven't used it though as it's for American birds, not British ones.

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Dan Maloney wrote 11/08/2019 at 16:26 point

I'd never heard of this. I'd always thought most birds were pretty quiet and settled down after dark. Do only certain species make sounds at night? Are they songs or is it sounds associated with flying?

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Louis Parkerson wrote 11/09/2019 at 12:29 point

Many birds are silent and settled down after dark but some species are particularly known for nocturnal movements. Some of the birds recorded are probably local, such as a Moorhen moving from one pond to another, but many are long distance migrants. For example, recently many UK nocmiggers have recorded Redwings and Fieldfares which breed in places like Scandinavia but have now come to the UK for the winter. However, it is thought many species that fly over are silent so many birds are undoubtedly missed.

The birds flying over are all doing their flight calls, so these are what the project aims to identify.

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