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Monthly Archives: November 2015

Bullock’s vs. Baltimore Oriole: females in winter

November 30, 2015 eontbird

Hi there,

Drab first-year Baltimore Orioles are a fascinating, and daunting, study. In their 1998 paper detailing female Bullock’s vs. female Baltimore Orioles in the journal, Birding, Cin-Ty Lee and Andrew Birch discuss the following: Continue reading Bullock’s vs. Baltimore Oriole: females in winter →

Gulls at the Ottawa Valley Waste Recovery Centre

November 23, 2015 eontbird

Hi there,

Today (November 23) from 1020 h to 1300 h, I gull-watched at the Ottawa Valley Waste Recovery Centre in Renfrew County. 6 species of gull including: Iceland (4 kumlieni ), Glaucous (1), Lesser Black-backed (1). I also observed and photographed a first cycle “Nelson’s” Gull. Continue reading Gulls at the Ottawa Valley Waste Recovery Centre →

Great Horned Owls in Winter

November 2, 2015 eontbird

As fall progresses and winter takes hold, top tier predators such as Great Horned Owls often switch hunting strategies in order to sustain themselves: they wander, often widely, in search of prey. This is especially true of birds in the north (i.e., in the boreal forest region). Continue reading Great Horned Owls in Winter →

Raptors at a Distance: shape trumps plumage

November 1, 2015 eontbird

One golden rule of thumb that I’ve learned from advanced and expert hawkwatchers is: shape trumps plumage! Plumage details are easily lost at a distance and/or obscured by a variety of lighting conditions. Continue reading Raptors at a Distance: shape trumps plumage →



My name is Jon Ruddy and I am an Ottawa-based Field Ornithologist and bird guide. I became interested in birds while studying under the tutelage of Carleton University professor and naturalist, Michael Runtz. Before the inception of Eastern Ontario Birding, I worked as a field ornithologist. I have conducted bird surveys in the Okanagan Valley, southern Ontario, James Bay, and throughout Manitoba. Read More

Guided bird tours throughout eastern Ontario and beyond!

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