1. Ashbridge's Bay
   An Anthology of Writings by Those Who Knew and Loved Ashbridge's Bay
   Resource Type: Book
   First Published: 1998
   The story of a great freshwater marsh destroyed by urbanization.
   
2. Canada: A Natural History
   Resource Type: Book
   First Published: 1988
   Canada: A Natural History surveys the varying ecosystems of the northern part of this continent, explaining their characteristics, vividly illustrated by the photographs of Tim Fitzharris.
3. Connexions Library: Nature Focus
   Resource Type: Website
   First Published: 2009
   Selected articles, books, websites and other resources on nature.
4. The Eternal Frontier
   An Ecological History of North America and its People
   Resource Type: Book
   
5. Federation of Ontario Naturalists
   Resource Type: Website
   An independent, not-for-profit nature and conservation organization, founded in 1931 as a provincial voice for the conservation of forests, wetlands, waterways, grassland and wildlife.
6. Fluvarium
   Resource Type: Website
   The word Fluvarium literally means "windows on a stream". In this case, the stream is Nagles's Hill Brook, a tributary of Rennies River, which has been diverted to flow past nine underwater windows.
7. Fresh Water Seas
   Saving the Great Lakes
   Resource Type: Book
   First Published: 1990
   Weller takes readers on a tour of the Great Lakes region, tracing its natural history from the time before human habitation. He describes how the region has been affected by uncontrolled development to the point where it now contains one of the planet's most intensive concentrations of industrial and agricultural activity.
8. The Great Lakes Primer
   Resource Type: Book
   First Published: 1986
   An introduction to the environmental problems faced by the Great Lakes.
9. The Green Trees Beyond
   A Memoir
   Resource Type: Book
   First Published: 1994
   R.D. Lawrence, a self-taught biologist whose first years of life coincided with the Spanish civil war, and who later became a noted as well as self-taught Canadian biologist.
10. Humboldt, Alexander von
    Connexipedia Article
    Resource Type: Article
    Naturalist. (1769-1859).
11. Islands of Hope
    Ontario's Parks and Wilderness
    Resource Type: Book
    First Published: 1992
    
12. Landscapes of the Interior
    Re-explorations of Nature and the Human Spirit
    Resource Type: Book
    First Published: 1996
    
13. The Late Great Lakes
    An Environmental History
    Resource Type: Book
    First Published: 1986
    Ashworth presents five common misunderstandings about the Great Lakes and advocates for improvements, remedial action and ecosystem strategies.
14. Legacy
    The Natural History of Ontario
    Resource Type: Book
    First Published: 1989
    A comprehensive, extensively illustrated natural history of Ontario, covering bedrock, soils, birds, mammals, insects, wildflowers, forests, prehistoric life, and much more.
15. Leopold, Aldo
    Connexipedia Article
    Resource Type: Article
    American ecologist, forester, and environmentalist who was influential in the development of modern environmental ethics and in the movement for wilderness preservation. (1887-1948).
16. The Natural History of Canada
    Resource Type: Book
    First Published: 1988
    Written for the general reader, and well-illustrated, this book paints Canada's natural world in broad brush strokes but with a wealth of detail.
17. Naturesongs
    Resource Type: Website
    Provides samples of various natural sounds, promotes nature recording and archiving, and provides a library of sounds that people can refer to when they hear something new.
18. Nova Scotia Herptofaunal Atlas
    Resource Type: Website
    Documenting the distribution and abundance of Nova Scotia's amphibian and reptile species.
19. Remembering the Don
    A Rare Record of Earlier Times Within the Don River Valley
    Resource Type: Book
    First Published: 1981
    Memories of Toronto's Don River in days gone by.
20. A Short History of Progress
    Resource Type: Book
    First Published: 2004
    If the population growth, consumption of resources, and technological advances continue according to the trend of the twentieth century, at the expense of the earth, the outcome may be disastrous.
21. The Sixth Extinction: An Unnatural History
    Resource Type: Book
    First Published: 2014
    An examination of how we have come to understand the concept of extinction and how we have come to recognize our role in it.
22. Special Places
    The Changing Ecosystems of the Toronto Region
    Resource Type: Book
    First Published: 1999
    Special Places explores the changing ecosystem of the Toronto area over the past century, looking at the environmental conditions that influence the whol region and at the surprising range of plants and animals you can find in many of its natural spaces.
23. Taddle Creek Watershed Initiative
    Resource Type: Website
    A grassroots alliance working to give new life to Taddle Creek, hidden at the heart of Toronto. Their vision is to 'bring back' parts of the creek by; cleaning the water and revegetating/naturalizing this severely degraded and buried watershed. We also wish to recognize and respect a buried human heritage.
24. Why the zoo shot its tigers
    Resource Type: Article
    A discussion of the practice of - and motivation behind - culling and conservation in the one of the worlds foremost science and conservation zoological facilities, the London Zoo.
25. The World Without Us 
    Resource Type: Book
    First Published: 2007
    A thought experiment to see what would happen to the planet if human beings simply disappeared.
    

Experts on Historia natural in the Sources Directory

1. American Museum of Natural History
2. Australian Museum
3. Natural History Museum
4. Senckenbergische Naturforschungsinstitut und Naturmuseum
5. Smithsonian Institution National Museum of Natural History