Kerr, H. R, Alexander, H. G, Alexander, H. G & Kerr, H. R / April 1936 – vol. 30, issue 8–363 SIRS,--In view of Mr. Lack's note on t h e repeated re-trapping of Robins (antea, p . 288), I m a y mention t h a t in t h e winter of 1929-30, when a t Cambridge, I had a Sparrow t r a p in t h e garden " baited " with seed. Greenfinches (Chloris ch. Moris) were constantly caught, and one male in particular which was ringed was taken from the trap eleven times in a comparatively short period. As thi... This article is only available to registered users.To read more, please log in or purchase a subscription.