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Swallow Houses
Barn Swallow House
Tree Swallow House
Violet-green
Swallow House
Backyard Bird House |

 
Barn Swallows
breed from Alaska
across Canada,
throughout the United States,
and south through central Mexico.
With the proliferation of human-provided
nesting sites, the North American Barn
Swallow population has increased in most
places during the 20th century. Numbers
are especially up in the central and
eastern United States. Barn Swallows show
strong fidelity to their natal site, most
nesting within 20 miles of their
birthplace and some much closer. Members
of a pair typically stay together to
raise a second brood and return in
successive years to the same nest site.
If you have the right habitat, barn
swallows are easy to attract. A simple
nesting perch may be placed under the
eaves, inside a garage or barn, or on the
side of a building.
Tree Swallows
are found all across the continental
United States and Canada, and in parts of
Alaska, as far north as cavities are
available, avoiding only the southeastern
corner of the U.S. Tree Swallows prefer
open habitats, such as the edges of
woods, and areas near water, including
marshes, shorelines and swamps. Tree
Swallows are quite tolerant of humans.
Nesting is quite synchronous in Tree
Swallows; that is, females tend to begin
nesting within a week or 10 days, usually
in April, of their neighbors. Tree
Swallows nest in natural tree cavities,
woodpecker holes and nest boxes. Tree
Swallow houses should be placed 5 to 15
feet high on a post or tree in open
areas. They should be spaced 30 to 100
feet apart with the entrance hole facing
east.
Violet-green
Swallows are found from
the Rocky Mountains
west to the Pacific coast. Their range
spans from central Alaska and central
Canada south to the Mexico's highlands.
Violet-green Swallows prefer open, deciduous,
or mixed coniferous-deciduous
forests containing ponderosa pine, aspen, willow
and spruce trees.
In the northern part of its range, this
species breeds at lower elevations on the
coast and in wooded canyons. In the
southern part of their range, they breed
at higher elevations (2,000 to 3,000
meters). Violet-green Swallows nest in
cliff crevices, natural tree cavities,
woodpecker holes, in old nests of Bank Swallows
and Cliff Swallows,
under the eaves of buildings, and in nest
boxes. They can nest in close association
with Cliff Swallows, Tree Swallows, White-throated
Swifts, and Western Bluebirds.
One report documented a pair of
Violet-greens assisting a pair of Western
Bluebirds in raising young. The swallows
guarded the nest and tended the bluebird
nestlings, and after the bluebirds
fledged, the swallows used the nest site.
In the northern portion of their range,
pair formation begins in mid-April and
breeding begins in late May. In the
southern portion, breeding begins in
early May. Violet-green Swallow houses
should be placed 9 to 15 feet high in
open or broken deciduous or mixed
deciduous-coniferous forests, wooded
canyons, or edges of dense forests. |
Coveside
Bird House Features

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