Sparrow Rose 1

with one round hole

Entrance: 1x ∅ 35 mm.
Entrance Rose for Tree and House Sparrows. This version is recommended for use in towns and cities due to the larger entrance diameter. Colonisation by Starlings and Pigeons is largely prevented.
Occupants: House Sparrows, Tree Sparrows, Redstarts, Tits, possibly Bats.