
Black-bellied Plover
Although birders tend to refer to “spring” and “fall” migration, many birds begin heading south in mid- to late August, and a few (such as shorebirds which are unsuccessful in finding a mate) even begin migrating in July. In Ottawa, this southbound migration often overlaps with post-breeding dispersal, which means that even in July and August it is worth checking familiar places for birds that may be moving through. This year, southbound migration began for me on August 19th with a trip to the Rideau Trail off of Old Richmond Road. I usually start checking the boardwalk and hydro cut for migrants this time of year as the edge habitat and buckthorn bushes loaded with berries can be fantastic for warblers, flycatchers, thrushes and other migrants. Most of the birds I saw or heard were likely local residents, although the Black-and-white Warbler I heard singing here may have come from deep within the woods or elsewhere, and it was pretty neat to see an Ovenbird strolling along the boardwalk. A squeaky Rose-breasted Grosbeak and two Least Flycatchers calling made me think these birds were moving through, as this section of the trail is normally pretty quiet in the summer.
Continue reading