All among the buttercups

They make nice little shiny golden boats to float on the water when the tadpoles are hard to spot down in the dark depths of the pond bath (extra)

Yes these old bathroom fittings (not thrown out by us who have to make do with their plastic replacements) have found new lives first as cattle troughs and now as wildlife containers. 
The planks are there to serve as ramps for the emerging froglets.