tracking – OFNC

Severe Defoliation of American Elm by the invasive insect Elm Zigzag Sawfly (EZS)

by Owen Clarkin, OFNC Vice-President & Chair, Conservation Committee The Ottawa Field-Naturalists' Club has been tracking Elm Zigzag Sawfly (Aproceros leucopoda) since its recent (2020) detection in North America near Montreal. This includes making the first observations of EZS in Ontario (2020), the city of Ottawa (2021), the state of Vermont (2022), and the city [...]

Wildlife tracks and signs

by Christine Hanrahan Identifying tracks is a good way to discover who is living in a particular woodland, field, or along a water body. Tracks in mud, sand, and snow also tell stories. You can see where animals, and sometimes birds, have interacted, perhaps to the misfortune of one of them. If you follow [...]