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These two flies are very common, but I'm ashamed to say I don't know their names and I even have doubts about the family, although I sort of think the one on the log is a Calliphoridae.





Thanks in advance, Sarah

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I would say the first one is Sarcophagidae and the second one - Muscidae.
Waiting for more opinions

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Thanks Andrius for your prompt response, looks convincing so far , Sarah