May 30, 2019 – Flycatchers have returned to northern Illinois for the season. They are most often seen perched at the edges of wooded thickets, along rural ditches or open areas near ponds, creeks, and meadows waiting for insects to take to the air. Patiently perched on a tall sturdy dried stem from last years growth or on a limb of a fallen tree, the mostly drab colored little birds can quickly fly off their perch and grab insects in midair or pluck one off a nearby leaf. They detect the slightest movement from a walking or flying insect with their keen vision.
Consuming their prey promptly, the flycatcher resumes focus on their surroundings, watching for prey from a satisfactory random perch. Small crawling and flying insects such as beetles, leafhoppers, and dragonflies are a few of the types of insects that the flycatchers feed on. Some flycatchers, like the Eastern Kingbird, primarily feed on insects early in the season while in their summer range here in Illinois, but wild fruits become part of their diet as this supplemental food source becomes available later in the season. During the months that the Eastern Kingbird spend in the western Amazon basin in South America fruits are a main food source for these birds.
Like many of the other traveling birds we see during the spring migration and during the nesting months here in Illinois, the flycatchers migrate north from the southeastern coastal areas of the United States and southwest into Mexico, Central and South America. While some nest in the United States others continue north into Canada and Alaska, like the Alder flycatcher for example that has a large nesting range and breeds in the area of the Great Lakes in the United States, and most of Canada and Alaska. Some of the more common flycatchers we see during the summer nesting season in Northern Illinois are Eastern wood-Pewee, Great-Crested Flycatcher, Eastern Phoebe, Least Flycatcher, and the Eastern Kingbird.