Barn Swallows have been listed as a threatened species by the Province of Ontario.
Historically, these birds would nest in caves, but they have adapted to inhabit human-built structures like barns. A decrease in the number of barns for nesting and fields for feeding on insects has resulted in the decline of this species.
The Barn Swallow is a medium-sized bird (15-18 cm long). Males have a glossy blue back and upper wings, rusty-red forehead and throat, and a tawny underbelly, with long tail feathers that form a distinctive fork. Females are similar in appearance but with duller colours and a shorter tail.
Barn Swallows belong to the aerial insectivore group, which means they eat insects “on-the-wing” or in flight. They are important in nature as they help to control insect populations, such as mosquitoes.