I THINK THE BIG PROBLEM NOW ADAY'S IS KEEPING FAR TOO MANY BIRDS, AND THIS LOOKS LIKE THE PROBLEM WITH BARLBYLOFTS, KEEP TOO MANY U DO NOT KNOW THEM AND HOW MANY OF THEM ARE NO GOOD, A LOT, CUT BACK AND ENJOY THEM, IF U GET GOOD BIRDS U WILL WIN RACES WITHOUT HAVING SO MANY BIRDS.