Intercolony variation in foraging flight characteristics of black-headed gulls <i>Chroicocephalus ridibundus</i> during the incubation period.

3.2 Repeatability of foraging flight characteristics We found that BHGs from the colonies at Bydgoszcz and Przykona were significantly repeatable in their maximal flight ranges, while birds from Koronowo showed a marginally nonsignificant tendency for repeatability of this trait (Table 3 ).

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