Synageles venator

I have never expected to meet this spider: Synageles venator. And again: he was sitting on my wall the other day.
What is curious about it is that it looks and behaves like an ant. When threatened he even puts his second pair of legs up to make them look like antennae.
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11th August 2019 @ Niepołomice, Poland
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© 2019 Marcin Świostek