07/09/2026
The unsung beauty of British waterways... The Grey Wagtail
Whoever named this bird must have been having a really naff day, they are gorgeous and very fun to photograph!
A few things worth knowing before you next stop on a bridge and risk missing gem of a bird:
That tail never stops. It's noticeably longer than a Pied or Yellow Wagtail's, and it bobs almost constantly. Nobody is quite sure why. Flushing out insects and showing off to a mate have both been suggested and largely ruled out, because they do it while preening and every age and s*x does it the same way. The best supported idea is that it's a message/deterent/disuise to predators. Interestingly the dipper which shares similar habitats is a constant mover too, bobbing its body rather than its tail.
It is often mistaken for a Yellow Wagtail. That one is a summer visitor to damp meadows. The Grey is here all year, and it wants fast, noisy water: weirs, mill races, the shallow rocky runs where you hear the river before you see it. However on occasion you can see it urban areas like supermarket car parks, roof tops and side streets.
They nest in the gaps, tucked between stones and tree roots on a bank, or in a hole in an old bridge. Breeding males wear a neat black bib.
Amber listed, around 37,000 breeding pairs in the UK, and down about 11% since 1995.
Photographing one: they rarely sit still, so use a fast shutter speed (that's how quickly your camera freezes the action), somewhere around 1/2000 second +. Pick a rock they keep returning to, get low, and let the bird come back to you rather than following it up the bank.
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