Metallic flies in Alexandra Park

Metallic flies in Alexandra Park

Observation - Metallic flies in Alexandra Park. Description: Not sure if the two flies are same species male and female or different species. If different please post for one and I will re-post for the other. Seen in muddy puddle in grassland in a Park

Not sure if the two flies are same species male and female or different species. If different please post for one and I will re-post for the other. Seen in muddy puddle in grassland in a Park