Cardiff Bay Wetlands Reserve, Thursday 20 August. A Black-tailed godwit had been spotted at the reserve the previous day and remained on the morning of the 20th, as reported by the birders in my local WhatsApp group. I hadn’t seen any migrating birds during a couple of recent days’ looking, and this sighting was enough of a local rarity that I figured I’d walk that way.

When I got to the wetlands, there was no sign of the godwit, nowhere within the reserve boundary and not in the little bay (shown above) where it had previously been seen. I waited and watched, enjoying the other birds, noticing a female Shoveler – not particularly common here.

Suddenly, a small wader flew out from where the godwit was meant to be, and continued in panicked circles over the water. A Common sandpiper.

Next, the many Mallards that had been cruising about, washing, preening, all went a little crazy, swimming together in a group away from the reed beds. A couple of Moorhens and Little grebes joined them, clearly rattled about something. Then, the Black-tailed godwit flew out, also looking panicked, and put in a few circuits of the reserve before settling down amongst the ducks. I still don’t know what spooked them all but both Otters and Mink have been sighted at the reserve recently so it was probably one of those species.

Both the Common sandpiper and the Black-tailed godwit flew circuits of the reserve again before all the birds seemed to realise that the threat had gone, and calm returned to the flock. Recognising this, the godwit headed back in to its little hideaway, probably intending to snooze the afternoon away.