@fullywoolly@mastodon.social From what I can tell they generally undergo a moult of feathers once a year during the late summer to early fall/autumn, which takes 2-3 months. So this Screech Owl will be having a long stay at the bnb before he can return to the wild 🛌 ☕️ A 2018 paper 'Moult in Birds of Prey' has more info: https://bioone.org/journals/ardeola/volume-65/issue-2/arla.65.2.2018.rp1/Moult-in-Birds-of-Prey--A-Review-of-Current/10.13157/arla.65.2.2018.rp1.full