Unknown call from Poland, March (1 Viewer)

[JayFeatherPL]

North-eastern Poland, March 2025
The unknown call is the quiet and faint "trrr". Heard (not seen) in the garden.
Sounds like a Long-tailed Tit, but I've never seen one in my area...

 

[jogresh]

Yes, LTT. It's a call they often give when nest building. 🙂👍🦆🐦‍⬛🦢

 

[JayFeatherPL]

Yes, LTT. It's a call they often give when nest building. 🙂👍🦆🐦‍⬛🦢

Woah, a new bird in my area! Wonderful Haven't seen them much.
Thank you for help!