Renter: Existing cavities. Reported to nest in wooden walls, Wooden bars and poles, and in the stems of Rubus, Carduus, Cirsium, Urtica and Helianthus tuberosus. (Celary, 1999)
Renter: Existing cavities. Reported to nest in wooden walls, Wooden bars and poles, and in the stems of Rubus, Carduus, Cirsium, Urtica and Helianthus tuberosus. (Celary, 1999)
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