Honey bees (Apis mellifera) [1] visit almost any flower in the garden, among them the Marsh-marigold (Caltha palustris) growing in the pond.

Literature
1 Nederlands SoortenregisterApis mellifera (Honey bee)♀︎
Caltha palustris (Marsh-marigold)Location Krimpen aan den IJssel, garden
Observations
2021-IV-26
Honey bees (Apis mellifera) [1] visit almost any flower in the garden, among them the Marsh-marigold (Caltha palustris) growing in the pond.
Literature
1 Nederlands Soortenregister