Sudbury lakes are becoming less acidic
Common loons moult their feathers, starting at the base of their bills, before autumn migration in September. (Photo by Robert Alvo)
In my July 5, 2018, blog, I summarized my findings of over 25 years of examining the effects of lake acidification on common loon breeding success in the Sudbury region of Ontario. Although Sudbury's lakes have improved after decades of sulphur...
Long live loons and their research
I paddled hundreds of kilometres searching for loons and their nests. (Photo by Kent Prior)
In the 1970s, North Americans were already concerned about the effects of human activity on the common loon, a large charismatic diving bird that breeds on lakes. My bachelor’s thesis at Queen’s University examined this concern on...
Conservation needs a common language to describe Canada’s ecosystems
Tatlayoko Ranch, British Columbia, (Photo by Bernadette Mertens)
“The beginning of wisdom is to call things by their proper name.” ~ Ancient Chinese proverb For organisms, we use the concept of a “species” to assign proper names. Having standard names for species is critical in both...
Cruising for birds
Our 14-deck mammoth cruise ship ― Costa Pacifica (Photo by Rob Alvo)
If you want to see many species of birds, you will undoubtedly be faced with a choice: visit only one or two sites to maximize the chances of seeing what is present, or visiting many sites to maximize the number of species that don’t require...
What's so special about Kenauk?
Osprey nest on Lac Papineau in Kenauk, viewed by several participants in the 2016 survey (Photo by Richard Gregson)
Kenauk is big. Really big! In terms of surface area, it’s the largest conservation project ever undertaken by the Nature Conservancy of Canada (NCC) in Quebec, and certainly one of the largest in Canada. The site, located about eight...
