Black headed Gull (Chroicocephalus ridibundus) fishing at wier, Brockholes, Lancashire, UK Black headed Gull (Chroicocephalus ridibundus) fishing at weir. Once the breeding season is over the adult birds venture out, possibly this catch may be retuning to the nest to feed young. In this case the bird is showing the ability to exploit a food source with skills learnt on rivers, lakes etc. Catching migrating fish as they negotiate a weir. In this image the gull successfully catch a fish.
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Black headed Gull (Chroicocephalus ridibundus) fishing at wier_UFP4061RM.tiff
