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The Tree Sparrow is a red-listed
species of conservation concern, numbers having crashed
since the 1970s. They will take readily to nest boxes and
it is suggested that two or more sets of boxes are provided
so that birds can set up colonies. The BTO  Nest
Box Guide by Chris du Feu has more details
Small nest box with
28mm hole.
Height: over 2m above ground
The nest is an untidy domed structure made
of grasses, lined with feathers.
Egg-laying starts between early April and
mid August. Two or three broods.
4 to 6 eggs. White with brown blotches.
Incubation 12 -14 days
Nestlings fledge after 12-15 days.
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Birds>Tree Sparrow
Tree
Sparrows are fairly easy to separate from House Sparrows
once you have 'got your eye in'. Both male and female Tree
Sparrows are of similar appearance. Tree Sparrows have a
characteristic warm red-brown crown, white patches to the
sides of the head and a small black cheek patch. Juvenile
birds are similar in appearance to the adults but are duller
in colour and have dark rather than white cheeks.
