Parasitism: The dark side of symbiosis
![Sand steenbras infected with tongue-eating louse (Photo by Marco Vinci/Wikimedia Commons)](https://www.natureconservancy.ca/assets/images/species/aquatic/Sand-steenbras-cymothoa-exigua-Marco-Vinci-Wikimedia-Commons-thumb.jpg)
Sand steenbras infected with tongue-eating louse (Photo by Marco Vinci/Wikimedia Commons)
In nature, when two individuals of different species often live in close association with each other, this leads to a phenomenon called symbiosis. There are three types of symbiosis: Mutualism is a win-win situation for both organisms because...
Nature's most dedicated dads
![Red foxes (Photo by GDallimore/Wikimedia Commons)](https://www.natureconservancy.ca/assets/images/species/mammal/red-fox-family-GDallimore-Wikimedia-Commons-thumb.jpg)
Red foxes (Photo by GDallimore/Wikimedia Commons)
Across the world, millions of animal fathers strive to ensure their offspring’s survival. In honour of Father’s Day, learn about 10 of the animal kingdom’s most devoted dads and the fascinating ways they look after their...
A species' international highway
![White-tailed deer (Photo by Lorne)](https://www.natureconservancy.ca/assets/images/species/mammal/White-tailed-deer-Photo-by-Lorne-thumb.jpg)
White-tailed deer (Photo by Lorne)
Humans aren’t the only creatures on Earth that need to get around. Animals in the wild have to travel as well, some to migrate, some to hunt and others to find mates. And that explains the importance of the Frontenac Arch, a...
Cracker Jack and caribou: Are we failing Canada’s species at risk?
![Black-footed ferret (Photo by U.S. Fish & Wildlife Service Mountain Prairie)](https://www.natureconservancy.ca/assets/images/species/mammal/Black-footed_Ferret-USFWS-Mountain-Prairie-Wiki-Commons-thumb.jpg)
Black-footed ferret (Photo by U.S. Fish & Wildlife Service Mountain Prairie)
I lost my Cracker Jack wildlife cards sometime in the 1980s, but the images printed on the cards are still vivid in my mind. The small cards came wrapped in clear plastic and featured a holographic image of a wildlife species in danger. I can...
Heard it from a Scout: Hiking tips for rookies
![Hiking in the Swiss Alps (Photo courtesy Scouts Canada)](https://www.natureconservancy.ca/assets/images/blog/Hiking-in-Swiss-Alps-Scouts-Canada-thumb.jpg)
Hiking in the Swiss Alps (Photo courtesy Scouts Canada)
The worst mistake I ever made while hiking was unintentionally stepping on a fresh cow patty. I would have been less embarrassed if it hadn’t happened while leading a group of giggly international Scouts. At the time, I was guiding in the...
Something's Fishy: An impending invader
![Northern snakehead (Photo by National Aquarium, Washington, DC)](https://www.natureconservancy.ca/assets/images/species/aquatic/northern-snakehead-National-Aquarium-DC-thumb.jpg)
Northern snakehead (Photo by National Aquarium, Washington, DC)
I have an inherent fear of the dark. I’m not ashamed to admit that, without the company of my snoring pug, Molly, taking up half of my bed, I need to sleep with the light on. It’s not so much the darkness that scares me; it’s the...
True North: A look at the NCC Magazine Winter 2017 issue
![NCC Magazine Winter 2017](https://www.natureconservancy.ca/assets/images/graphics/nat/magazine/NCC-W16-Cover-thumb-landscape.jpg)
NCC Magazine Winter 2017
The winter 2017 edition of the Nature Conservancy of Canada’s (NCC’s) Magazine — the cover adorned with a mother polar bear rambling toward the camera, with two cubs trailing behind — arrived in my mailbox on one of the...
How we can save our songbirds
![Cerulean warbler (Photo by Bill Hubick)](https://www.natureconservancy.ca/assets/images/species/bird/cerulean_warbler_bill_hubick_thumb.jpg)
Cerulean warbler (Photo by Bill Hubick)
By now, I'm hoping that many of you have heard about declining songbird populations and the numerous threats that these birds face, which are, typically, physical threats to their survival. However, I’d like to discuss a different type of...
The hummingbird's igloo
![Sweetiebird, an Anna's hummingbird, in her igloo. (Photo by Eric Pittman)](https://www.natureconservancy.ca/assets/images/species/bird/Sweetiebird-an-Anna-s-hummingbird-in-its-igloo-thumb.jpg)
Sweetiebird, an Anna's hummingbird, in her igloo. (Photo by Eric Pittman)
I always thought of hummingbirds as warm-weather birds. So I was surprised to see an Anna's hummingbird building a nest in early February. I was even more surprised because it was its sixth nest in a year, built in our yard. I live in Victoria,...
Ten of nature's strangest mating strategies
![Angler fish (Photo by David Shale)](https://www.natureconservancy.ca/assets/images/species/aquatic/angler-fish-david-shale-thumb.jpg)
Angler fish (Photo by David Shale)
During my final year of university, I took a course called Evolution and Reproduction, which explored various animal mating strategies. It was one of my most fascinating classes; the material was mind blowing, the professor was a hoot and the...