In all of these species, higher levels of daytime noise were significantly associated with earlier dawn song onsets (or showed a statistical trend in this direction), except for the woodpecker.
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The sentences
Independent LMMs ran for each species showed that European robins, common blackbirds, blue tits, great tits, and chaffinches sang significantly earlier at the airport site compared to the control site; the Eurasian nuthatch and the great spotted woodpecker showed a trend in the same direction (Table 2 ).