How are the World's Bee Populations Doing?
STEM Explained
Bees are important for agriculture. But bee populations face threats. This resource looks at Colony Collapse Disorder, herbicides & pesticides, and more.
How Can Birds Help Monitor the Health of Ecosystems?
STEM Explained
Scientists can observe birds to get useful information about the health of, and changes in, an ecosystem.
Farmed Salmon vs. Wild Salmon
STEM Explained
Aquaculture is seen as a sustainable way to produce fish. But are farmed salmon better than wild fish?
Fish: Freshwater
Picture Collections
4 images of some fish such as koi that live in freshwater river and lake environments and in freshwater aquariums and garden ponds
Eutrophication: Why you should care about pond scum
STEM Explained
When fertilizers from agriculture get into lakes and rivers, big problems can result for aquatic ecosystems, food chains & webs!
Birds: Nest Construction
Picture Collections
images of some birds in the process of building their nests
Birds: Nests
Picture Collections
10 images of some birds' nests showing various designs, structures and materials used for building them
Birds: Raptors (Birds of Prey)
Picture Collections
5 images of predatory birds that hunt and feed on other animals such as eagles, the Great Horned Owl and vultures
Birds: Songbirds
Picture Collections
10 images of some birds such as finches, chickadees and cardinals that produce sounds and calls in a musical way
Canadian Invaders!
STEM Explained
Beavers are a Canadian symbol. But in South America, they’re considered an invasive species.
Animals: Babies and Adults
Picture Collections
20 images of animal pairs such as polar bears, turtle, dogs and birds in their juvenile and adult stages of life
Animals: Hibernation
Picture Collections
10 images of some animals such as bears, bats, turtles and lemurs that spend the cold weather in a dormant state
Animals: Migration
Picture Collections
10 images of some animals such as salmon, Monarch butterflies, whales, zebras and wildebeast that move seasonally from one region to another
Arachnids
Picture Collections
5 images of invertebrates such as spiders and scorpions characterized by having 4 pairs of segmented legs, 2 main body parts and simple eyes
Are wind farms a threat to wildlife?
STEM Explained
Wind power is a growing source of electricity generation. But wind projects often affect local wildlife populations, and researchers are using environmental monitoring techniques to alleviate some of these impacts.