For Biegus there are 6 on Yasni with different names.
Among the most common last names on Yasni Biegus is on position 4521.
If "Bjegus" very, comes from the Polish "bendability" = running. There are some bird species, the "Biegus" hot, with different additives, such as Biegus morski = ocean beach or runners Biegus krzywodzioby = sickle beach runner.