House sparrow nests are usually found in nest boxes or other types of cavities and are constructed using various nesting materials such as straw, grass, feathers, litter and fiber. Other characteristics of a house sparrow nest are its size and tunneling architecture.
Tag: deeinvasive
Are House Sparrows and Starlings Predators of Bluebirds? What Ecology and Science Says
House sparrows and European starlings are often misclassified as predators of bluebirds and other cavity nesting birds. However, they are not predators by definition. Instead, they are invasive competitive species.
Monofilament Line Kind of Deters Sparrows – Observations Included
In our experience observing multiple nest boxes, monofilament won’t keep sparrows from harassing the nest; however, there is still some reasons to use it.
Installing Monofilament On Your Birdhouse: Easy 5-steps with pictures
When installing monofilament line on your birdhouse, the most important thing is to place to vertical strings running down the front of your box just ⅛ of an inch from either side of the entrance hole.