37 had been incubating on Nest 2 for a while this morning when Mrs 37 landed at 10.22 and took over from him. At first everything was as normal, then at around 10.35 she became more restless. She stood off the egg for a while and started chipping and rocking slightly before crouching over the nest cup. At 10.40 she lowered herself, tilted forward and rocked – was this the second egg? No! But she started panting more and crouching ever lower, then spread her tail twice, the final push was on! Here are the last 20 seconds or so. And here is the new egg. It was laid at 10.43.
37 probably saw the egg from a nearby perch but the first we saw of him noticing the addition was when he brought a fish for Mrs 37 at 13.53.
Mrs 37 was keen to take the fish so 37 got straight on with a double incubation role!