Biologists have a great understanding of why some species are declining, but it is very hard to narrow down what may be the cause of the decline in many wild bee species.

These are some of the factors that may be leading to several species of bees being in decline in Canada and around the world.

Donate to Wildlife Preservation Canada so we can continue and expand our work to conserve pollinators through our Native Pollinator Initiative

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Slide 1: “The bees are declining*” but why? *not all bee species are declining

Slide 2: What’s the problem? There likely isn’t just ONE reason that multiple wild bee species are declining in Canada. There are likely multiple factors leading to wild bee declines. Here are some of the various factors that may be negatively impacting bees! 

Slide 3: Climate Change may be impacting bees in various ways, including 1. Changing bee habitat through temperature changes, 2. Changing bee habitat changes through plant changes, 3. Increasing extreme weather events.

Slide 4: Habitat Loss may be impacting bees in various ways, incuding 1. less flowers = less pollen and nectar, 2. less are for nesting (many bees nest in soil, grass and pithy stems). 

Slide 5: Pathogens: Bees can get sick too! There are many types of pathogens that can harm bees, some of which have been introduced by managed pollinator species

Slide 6: Pesticides: Impacts of pesticides depends on multiple factors, including bee species, type of pesticide, duration exposed to pesticide.

Slide 7: How can you help the bees? Post photos of bumble bees to Bumble Bee Watch (https://www.bumblebeewatch.org/) so bumble bees can be tracked and conserved. Donate to Wildlife Preservation Canada so we can continue and expand our work to conserve pollinators through our Native Pollinator