A multi-source reliability framework for transfer learning improves bird species recognition under sparse positive labels, but gains are modest and often not statistically significant.
BirdCLEF+ 2026 [2] serves as the target benchmark and contains 35,549 focal recordings, 10,658 60-second soundscapes, and 234 target labels
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Transfer Learning for Avian Bioacoustics under Sparse Positive Labels
A multi-source reliability framework for transfer learning improves bird species recognition under sparse positive labels, but gains are modest and often not statistically significant.