mine was 44 years ago when my brother used to give me a shilling per bird for him if i cought any i spent lots time trying and had a few these were kept in old dog kennel on stilts from there to purpose built loft at which time i developed the idea of widow hood orange boxs it worked but in them days i thought you had to keep catching them to put in boxs ;D ;D when my brother left home i took over untill i left home and moved other side country and got some reds from farm i will always remmber them when sitting if hens come off they went back to farm and come back late after noon ;D ;D the good old days of the sport