https://www.rspb.org.uk/birds-and-wildlife/willow-tit
Willow Tit Bird Facts | Poecile Montanus
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https://www.discoverwildlife.com/news/willow-tit-likely-to-be-extinct-in-london
Willow tit likely to be extinct in London - Discover Wildlife
May 11, 2022 - A recent publication reveals mixed fortunes for the capital's avian population.
willow titto bein londonlikelyextinct