I had noticed a coming and going under a trunk where the feathers of a Blackbird female predated by the Sparrowhawk were. I, therefore, thought of "sowing" fresh and inviting feathers closer and in better light, well, I had to replenish 3 times, after two days, however, the party was over, or in nests burst due to too much padding. The pairs of Long-tailed Tit (Aegithalos caudatus) that came to stock up were at least 4 with really comfortable nests this year.