Wildlife enthusiast Terry Chettle captured a surprising encounter between a green heron and a river otter at Grimsby Wetlands in early August. The Beamsville, Ont., resident was taken aback by the otter’s presence, considering it a rarity in the area. Seizing the opportunity, Chettle snapped photos as the otter showcased playful antics, including sticking out its tongue and waving.
During the same outing, Bruce and Laurie Mackenzie, while on a stroll through the wetland, crossed paths with Chettle, who pointed out the otter. Bruce Mackenzie acknowledged the exceptional discovery, noting that the Aug. 3 sighting marked a significant event near the wetlands, possibly the first in recent memory. He mentioned that there have been no subsequent sightings of the otter since that weekend.
Managed by the Hamilton Naturalists’ Club, the Grimsby Wetlands cover about 12 hectares along Lake Ontario’s South Shore, once a site for Niagara Region’s sewage storage. Mackenzie, involved with the naturalists club as the wetlands’ project manager, highlighted the significance of the otter sighting as a testament to successful habitat restoration and improved water quality. The wetlands have previously attracted rare species like the threatened least bitterns in Ontario.
Describing otters as a conservation triumph, Laura Timms, a natural heritage management program manager at Credit Valley Conservation, emphasized the resurgence of otter populations in the region. The conservation authority, responsible for overseeing the Credit River watershed in Mississauga and Peel Region, documented an increase in otter sightings over the years, indicating a positive trend in their presence.
Historically, river otter populations faced declines due to hunting, habitat destruction, and water pollution in the 1800s. However, concerted efforts to enhance environmental conditions have led to a resurgence in otter populations across North America. Timms highlighted the importance of ongoing conservation efforts to restore and protect habitats to ensure the thriving of various species, noting that biodiversity conservation extends beyond otters.
River otters, capable of growing up to 1.4 meters in length and weighing between five to 14 kilograms, are carnivorous creatures that establish dens in rivers, lakes, and creeks. They primarily feed on fish, clams, insects, and other aquatic animals, contributing to the ecosystem’s balance. Timms stressed the need for continuous habitat restoration and protection to foster biodiversity and emulate the success stories witnessed with otter populations.