  Fermions and bosons are fundamental realizations of exchange statistics,
which governs the probability for two particles being close to each other
spatially. Anyons in the fractional quantum Hall effect are an example for
exchange statistics intermediate between bosons and fermions. We analyze a
mesoscopic setup in which two dilute beams of anyons collide with each other,
and relate the correlations of current fluctuations to the probability of
particles excluding each other spatially. While current correlations for
fermions vanish, negative correlations for anyons are a clear signature of a
reduced spatial exclusion as compared to fermions.
