Tuesday, August 18, 2026

Rare River Otter Plays with Heron at Grimsby Wetlands

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Wildlife enthusiast Terry Chettle captured a fascinating moment at Grimsby Wetlands in early August while photographing a green heron. An unexpected visitor, a river otter, appeared and engaged in playful antics with the heron, surprising Chettle and the bird. The otter, a rare sight in the area, posed on a log, allowing Chettle to snap a memorable picture as it playfully stuck out its tongue and waved.

During the same outing, Bruce and Laurie Mackenzie encountered Chettle and were directed to the otter. Bruce Mackenzie, noting the rarity of the sighting, mentioned that it was possibly the first otter sighting near the wetlands in recent memory. The wetlands, previously a sewage storage site now managed by the Hamilton Naturalists’ Club, cover approximately 12 hectares along Lake Ontario’s South Shore. Mackenzie, involved in the club’s projects, highlighted the significance of the otter’s presence as a testament to successful habitat restoration and water quality efforts.

Laura Timms, a program manager at Credit Valley Conservation, described otters as a conservation success story, emphasizing their resurgence in the Credit River watershed. Timms noted a positive trend in otter sightings, indicating a healthy environment conducive to sustaining diverse wildlife. The conservation efforts have led to increased otter sightings in various conservation areas, with some otters even giving birth to pups.

While otter populations faced decline in the 1800s due to hunting and habitat destruction, concerted conservation actions have enabled their rebound across North America. Timms stressed the importance of ongoing efforts to restore and protect habitats for the benefit of all species, citing the critical role wetlands play in supporting biodiversity, storing carbon, and preventing flooding.

River otters, known to grow up to 1.4 meters in length and weigh between five to 14 kilograms, are carnivorous creatures that thrive in rivers, lakes, and creeks. They feed on fish, clams, insects, and other aquatic animals, contributing to the ecosystem’s balance. Timms underscored the need for continued conservation work to safeguard habitats and promote biodiversity, ensuring the flourishing of various species and fostering more success stories akin to the otters’ resurgence.

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