When I was checking my moth traps last night I heard the familiar "croaking" of frogs.
This morning there was the first clump of frog's spawn in the pond. As I move towards the pond the water surface briefly "boiled" before going still.
I waited for a while and slowly heads began to appear as they popped out of the water. I guess the date is around normal, but I hope that unlike last year we don't get a sudden severe cold snap that kills most of the spawn.
The other reminder that spring is on the way was the arrival of a pair of Mallards. Each year they arrive and make a lot of noise, normally turn the vegetation in the pond into a shambles and leave. Their visits are sometimes as a pair and at other times up to four males accompany a female in a demonstration of extremely bad behaviour. Today they didn't stay long and flew off quacking loudly. I expect they'll be back, probably with more suitors.