A cold East Wind caused a change of tactics. On a wall 3 Chardonneret and a Potter Trap were placed under some feeders. The fat balls were taken off the trees and placed in the traps. Results 1 Blackbird , 8 Blue Tits , 3 Great Tits , 1 Nuthatch , 1 Chaffinch , 2 Long-tailed Tits. This method does not appear to provide many re-traps. Is this an advantage ?