Browse "Nature & Geography"

Displaying 676-690 of 919 results
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Quail

Quail is the name most commonly applied to an Old World species, Coturnix coturnix, of chickenlike birds.

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Québec's Postglacial Seas

Between about 100 000 and 12 000 years ago, the whole area of Québec as well as a major part of the northern hemisphere was covered with a thick layer of ice. In the late PLEISTOCENE era, just over 12 000 years ago, Québec underwent a gradual warming of the atmosphere.

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Quill Lakes

The Quill Lakes are three connected saline lakes in southeastern Saskatchewan. They are located 150 km north of Regina and 152 km east of Saskatoon. From west to east the lakes are named Big Quill, Middle Quill (also known as Mud Lake) and Little Quill. Despite its name, at 181 km2 Little Quill is the second largest of the three lakes. Big Quill is the largest at 307 km2. The Quill Lakes’ elevation is 516 m.

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Rabbit

Rabbit is a common name for some mammals of the order Lagomorpha.

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Rabbit Farming

Rabbit farming, officially called cuniculture (from the species name for wild rabbits, Oryctolagus cuniculus), is a small part of Canadian agriculture, with most production in Ontario and Québec.

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Raccoon

The common raccoon (Procyon lotor) is a mid-size mammal distinguished by its black face mask and ringed tail. It is a member of the Procyonidae, a primarily tropical family of omnivores native to the Americas — and the only one of this family found in Canada. Raccoons are found in every province except Newfoundland and Labrador. A nocturnal species, it is highly adaptable and can survive in urban areas as well as wilderness habitats. Humans often consider raccoons pests due to their skill and persistence in raiding garbage bins, gardens and crops for food.

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Racoon

Racoon was a 26-gun British sloop of war sent to seize Astoria, the American Pacific Fur Company post at the Columbia River mouth, and to establish an outpost there during the War of 1812.

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Radish

Radish (Raphanus sativus) is a hardy annual or biennial vegetable belonging to the Cruciferae family. Roots are mostly rounded with a red exterior and white, acrid flesh.

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Ragweed

Ragweed is an annual or perennial plant of the genus Ambrosia, family Compositae or Asteraceae. Fifteen species are native to North America; 3 occur across Canada: common ragweed (A. artemisiifolia), perennial ragweed (A. coronopifolia) and giant ragweed (A. trifida).

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Rain

Central US lows, entering Canada somewhere between Manitoba and Québec, are of major environmental significance because they pass through the industrial heartland of the US and frequently bring ACID RAIN.

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Rainbow

A rainbow is a coloured arc that occurs when sunlight shines onto falling raindrops and is refracted, then reflected back towards the observer. In this process, each drop acts as a tiny prism, splitting the sun's rays (according to wavelength) into their component colours.

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Rainfall Extremes

The amount of rain or snow that reaches the ground can vary dramatically on any particular given day, even over short distances. Many people have experienced a near-deluge of rain in their backyard, while at the same time their front yard or their neighbour's home remains quite dry.

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Rat

 Rat is a common name for certain mammals of order Rodentia, family Muridae.