> yeah their a good example > Gila monsters and mexican beaded lizards are a good example. They are >more scavengers than predators. warbi -- Department of Biological Sciences Palumbi Lab Hopkins Marine Station of Stanford University Blinks Oceanview Blvd Pacific Grove, Ca 93950 jalipaz at stanford.edu phone: 831-655-6210 Often statistics are used as drunken men use lampposts... for support rather than illumination. Albert Einstein