Butterfly invasion
North America's warm winter leads to an explosion in Canada's butterfly population
Hundreds of millions of red admiral butterflies have migrated to Canada this year, a University of Ottawa biologist says. Here's a look at other species that have appeared in Canada. (Courtesy of Jeremy Kerr)
Painted lady butterflies, like the one seen here, have also been seen in southern Ontario according to the Royal Ontario Museum. (Pat Wellenbach/AP)
The question mark butterfly is named for a punctuation-shaped mark on its hindwing. (Robyn Beck/AFP/Getty)
The variegated fritillary is distinguished by the black spots on the edge of its wings. (iStock)
The American lady has eye-like spots on one side of its wings. (iStock)
The grey hairstreak was already a common butterfly species in North America before this year's migration explosion. (iStock)
The female clouded sulphur, seen here, has green or yellow wings. The male's wings are yellow and black. (Bill Bouton/Flickr)
The American snout is distinguished by its orange and brown wings with white spots. (Bill Bouton/Flickr)
The mourning cloak is named for its dark, cloak-like wings -- but it's known as a Camberwell beauty in Britain. (iStock)
Butterfly invasion
North America's warm winter leads to an explosion in Canada's butterfly population
Hundreds of millions of red admiral butterflies have migrated to Canada this year, a University of Ottawa biologist says. Here's a look at other species that have appeared in Canada. (Courtesy of Jeremy Kerr)
Painted lady butterflies, like the one seen here, have also been seen in southern Ontario according to the Royal Ontario Museum. (Pat Wellenbach/AP)
The question mark butterfly is named for a punctuation-shaped mark on its hindwing. (Robyn Beck/AFP/Getty)
The variegated fritillary is distinguished by the black spots on the edge of its wings. (iStock)
The American lady has eye-like spots on one side of its wings. (iStock)
The grey hairstreak was already a common butterfly species in North America before this year's migration explosion. (iStock)
The female clouded sulphur, seen here, has green or yellow wings. The male's wings are yellow and black. (Bill Bouton/Flickr)
The American snout is distinguished by its orange and brown wings with white spots. (Bill Bouton/Flickr)
The mourning cloak is named for its dark, cloak-like wings -- but it's known as a Camberwell beauty in Britain. (iStock)
Comments (1)
Hide comments- imnotyoustandard2012/05/16
at 11:54 PM ETI guess looking on the bright side of humanities inability to regulate itself, fewer polar bears, but more butterflies.Agree with comment (2 people agree)Disagree with comment (0 people disagree)ReplyPolicyReport abuse (0)
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