John Carley talks about his years of monitoring Common Loon migration and his insights on their populations.
Eunice Kariñho Betancourt talks about the monarch butterfly migration and overwintering, including what fuels their journey and what their winter shelter is like.
Jonathan Harris talks about the transformation of the former Beare Rd Landfill into the soon-to-open Beare Hill Park. This restored area includies significant species of birds and turtles.
Bruce Thompson discusses why some birds migrate for the winter, while others of the same species stay behind.
Jason Ramsay-Brown talks about the non-native species of Purple Loosestrife: its introduction to North America, the threat it poses, and bio-controls used to successfully combat them.
Paul Overy describes the evolution of the Toronto Islands, influenced by the Niagara River's current. An 1856 storm created the Islands as we know them today and they continue to evolve..
Agneta Szabo describes how plants interact with their environment, such as listening, foraging, and recognizing family.
Bruce Thompson talks about the irritating aspects of House Sparrows, their inter-relationship with humans, and why they deserve more respect.
Jason Ramsay-Brown describes efforts to build the Spadina Expressway in the 1960s, how it was stopped by Toronto citizenry, and the effects on the Cedarvale Ravine.
Richard Partington talks about Tulip Trees and their name, what they look like, when and where to see them, and their unique attributes.
John Carley talks about how bird strikes against reflective and transparent glass can be reduced by bird-friendly architecture.
Bruce Thompson describes how the Dawn Redwood, thought long extinct, was found in China in the 1940s, its dictinctive traits and where to see the tree today.
Jason Ramsay-Brown talks about the history of the Don River since the mid-1800s and the impact of human interventions on the river and its ecosystem.
Bruce Thompson describes the Starling's link to Shakespeare, the introduction of 100 birds in 1890s New York, and effects of the roughly 200 million across North America nowadays.
Richard Partington discusses hackberry trees and their unique features, and where they are found in Toronto.
Jason Ramsay-Brown talks about Toronto's Eatern Coyote and similar species, threats they pose, human reaction, and what to do in a coyote encounter.
Bruce Thompson describes Toronto’s lost butterfly, the Karner Blue. Its habitat preference and taste for wild lupins were causes for its demise.
Bryce Turner describes skunks and Ellen Schwartzel elaborates, contrasting them to raccoons. She talks about their self-defense and varied diet including insects, worms and slugs which also makes them susceptible to poisons.
John Carley talks about the history and significance of the Leslie Street Spit and the work of the Friends of the Spit advocacy group since 1977.
Nancy Dengler describes Chimney Swifts, their flight pattern, their dependence on chimneys as nesting spots, how to see them in Toronto, and why they are threatened.