Nature & Geography | The Canadian Encyclopedia

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  • Article

    Horsetail

    Horsetail, perennial plant of genus Equisetum, the only living representative of the very ancient and primitive class Sphenopsida.

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  • Article

    House Sparrow

    The house sparrow (Passer domesticus) is a small, granivorous and insectivorous songbird with conical bill and chunky body.

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  • Article

    Hoverfly

    Hoverflies, also known as flower flies, are members of the family Syrphidae within the insect order Diptera (true flies). There are over 6,600 known species of hoverfly, including 539 recorded species in Canada. Hoverflies are found in every Canadian province and territory, including as far north as Ellesmere Island. Adults feed on nectar and pollen, making them important pollinators in a variety of habitats. Many hoverfly species are threatened by habitat destruction and the introduction of non-native species.

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  • Article

    Humane Societies

    Humane societies are societies for the prevention of cruelty to animals (SPCA). Following a long struggle by Richard Martin, British landowner and parliamentarian, and others to secure legislation against cruelty to children and livestock, the first SPCA was begun in England in 1824.

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  • Article

    Humboldt Broncos Bus Crash

    One of Canada’s most high-profile highway tragedies occurred on 6 April 2018, when a bus carrying 28 members of the Humboldt Broncos junior hockey team collided with a transport truck at a highway intersection near Tisdale, Saskatchewan. The crash killed 16 team members: 10 players and 6 staff. It also led to new truck-driver training and licensing regulations and increased awareness about the availability and use of seat belts among bus passengers.

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  • Article

    Humidity and Humidex

    Humidity is related to the amount of moisture or water vapour in the air. Although invisible, water vapour is always present in the atmosphere. 

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  • Article

    Hummingbird

    Hummingbird is a common name for New World family Trochilidae, which numbers more than 300 species.

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  • Article

    Humpback Whale

    The humpback whale (Megaptera novaeangliae) is the one of the most well-studied whale species. The genus Megaptera means “large winged,” highlighting its long pectoral fins and broad tail fins or flukes, which it slaps on the water's surface in enormous displays. This whale has become renowned for these displays. They are also famous for their songs, which the males sing during the breeding season.

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  • Article

    Hurricane

    Many factors are involved in their creation. With most, intense sunlight heats the ocean, which in turn warms the overriding air by convection. The heated air rises, carrying away evaporated water charged with energy and producing an area of low pressure.

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  • Macleans

    Hurricane Devastates Halifax's Trees

    JOHN SIMMONS steps over the trunk of a splintered spruce, lets out a weary sigh and points off to the left, over the twisted, mangled corpses of pines and birches lining Sailors' Memorial Way in HALIFAX'S Point Pleasant Park. "There's one we can save," says Halifax's urban forest supervisor.This article was originally published in Maclean's Magazine on October 27, 2003

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  • Macleans

    Hurricane Floyd

    Hurricanes are a personal thing for Joanne O'Connell. Her house, barely 200 m from an estuary on the coast of North Carolina, bears the scars of past storms.This article was originally published in Maclean's Magazine on September 27, 1999

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  • Article

    Hurricane Hazel

    Hurricane Hazel struck the Toronto area on 15-16 October 1954, with devastating results. It was Canada's worst hurricane and Toronto's worst natural disaster. During the storm, winds reached 124 km/h and over 200 millimetres of rain fell in just 24 hours. This horrific storm left 81 dead, nearly 1900 families homeless, and caused between $25 and $100 million in damages (modern-day cost has been estimated at over $1 billion).

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  • Macleans

    Hurricane Juan Hits Halifax

    NOTHING, it seems, happens without a reason. A butterfly flaps its wings off the coast of Bermuda and the next thing you know you're cowering in bed at 1 a.m. with only two panes of glass between you and winds screaming like the apocalypse as they slam into Halifax.This article was originally published in Maclean's Magazine on October 13, 2003

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  • Macleans

    Hurricane Mitch

    Time after time, Digna Arguello folded her hands in prayer and asked God to put an end to the tempest. But Hurricane Mitch just raged on, tearing at her tiny home in the remote Nicaraguan village of Chinandega, and dumping nearly a metre of rain a day on a broad swath of Central America.This article was originally published in Maclean's Magazine on November 16, 1998

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  • Article

    Hydro-Québec

    Hydro-Québec, a provincially owned corporation based in Montréal, is Canada's largest electric utility and, judged by assets ($30.6 billion in 1986), Canada's second largest corporation. 

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