Halifax Resident Promotes Nesting Boxes for Tree Swallows
Encouraging the creation of nesting boxes to support tree swallows in finding suitable breeding spaces, Jessica Ryuzaki is urging Halifax locals to construct and set up these boxes on their properties. The initiative stemmed from Ryuzaki’s observation of tree removal in the city, prompting concerns about the impact on local wildlife, particularly birds.
Tree swallows, among other aerial insectivores, have faced declining populations in Nova Scotia and P.E.I since the 1970s, as reported by the Canadian Breeding Bird Survey. These birds are cavity-nesters, preferring to reside in tree holes or crevices.
While the idea of nesting boxes is not novel for providing alternative habitats, Ryuzaki emphasized the simplicity of building one, requiring basic materials that can be easily acquired, even from a dollar store. With a minimal investment of around $20 and a construction time of approximately 30 minutes, a nesting box can be assembled using scrap wood, an entrance hole, and a pivoting side panel for maintenance.
Tony Millard, president of the Nova Scotia Bird Society, endorsed Ryuzaki’s proposal and advocated for the installation of nesting boxes in open, sunny areas about two meters above the ground to deter ground predators. Additionally, the boxes should face south or east to shield birds from strong winds.
The initiative, now named ReNest Nova Scotia, is distributing templates to aid individuals in crafting these boxes. Millard highlighted the broader benefits of the nesting boxes, not only for tree swallows but also for other bird species. Homeowners participating in the project can enjoy the spectacle of swallows feeding on insects while having fewer pests in their yards.
With construction ideally taking place in winter, Ryuzaki and Millard recommend completing the nesting boxes by April to coincide with the birds’ nesting season in spring. Ryuzaki expressed enthusiasm for the growing interest in the project and looks forward to seeing the boxes in yards across Halifax as the initiative progresses.
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