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Ontario's Amphibian Breeding Migration is Just Around the Corner

It’s happening! Ontario’s amphibians are waking up from a shorter winter nap than usual.

Frogs, toads, newts, and salamanders have already been seen out and about by contributors to the Ontario Reptile and Amphibian Atlas (Herps of Ontario on iNaturalist). These little guys will soon be beginning their spring breeding migrations, so please, be cautious drivers on warm, rainy evenings on side roads running through woodlots.

Amphibians are killed on roads at rates higher than any other vertebrate group, and early spring and fall are their worst times of year as they travel between their overwintering and breeding sites. Leopard frogs, for example, are known to travel up to 3.2 km.

Thankfully, the routes amphibians take between sites vary little year to year, so if we can identify these key movement corridors, we can identify the roads that most need ...more ↓

Posted on March 5, 2024 08:57 PM by lornightingale lornightingale | 0 comments | Leave a comment
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Ontario is a large province with tens of thousands of kilometers of roads interspersed among its diversity of wildlife populations and there is no point more than 1.5 km from a road. Historical trends have shown that Ontario’s road network has increased five-fold between 1935 and 1995, and will continue to expand in order to meet the demands of an estimated 30% population growth by 2031. Road ...more ↓

kgunson created this project on July 18, 2018
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