Cornell Lab of Ornithology
Cornell Lab of Ornithology: Tricolored Heron
This concise site describes the Tricolored Heron and its range throughout North and South America. In addition, you can listen to the songs of this species on this site.
Saint Louis Zoo
Saint Louis Zoo: Yellow Crowned Night Heron
Discover fun facts and learn about the appearance, diet, habitat, behavior, and conservation status of the yellow-crowned night heron.
Saint Louis Zoo
Saint Louis Zoo: Black Crowned Night Heron
Discover fun facts and learn about the appearance, diet, habitat, behavior, and conservation status of the black-crowned night heron.
Canadian Museum of Nature
Canadian Museum of Nature: Great Blue Heron
The great blue heron lives in North and South America and so far has a healthy population. Facts about its habitat, diet and features are available here along with many pictures.
Other
Smith College: Heron's Steam Engine
From the Smith College Museum of Ancient Inventions website. Description of Heron's invention of the aeolipile - a precursor to the steam engine. Includes a graphic depicting a replica of the device.
Open Library of the Internet Archive
Open Library: A White Heron
This ebook version of Sarah Orne Jewett's A White Heron has been made available in multiple formats by the Open Library. Editions of the full novel, organized by year of publication, may be accessed here.
Wolfram Research
Wolfram Science World: Heron of Alexandria (Ca. 75 Ad)
Greek mathematician who was mainly interested in practical studies of mechanics and engineering. He dealt with a number of such problems in his work Dioptra. He is best known today for Proposition 1.8 of his Metrica, which is now known...
CK-12 Foundation
Ck 12: Trigonometry: Heron's Formula
[Free Registration/Login may be required to access all resource tools.] Find the area of a triangle when all three sides are known.
Other
Math Pages: Heron's Formula for Tetrahedra
This article explains how Heron's formula is very similar to Pythagoras' Theorem.
University of Illinois
University of Illinois: Calculation of Triangle Area
Discusses how to find the area of a triangle using Heron's formula and provides interactive examples and problems you can solve.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Great Blue Heron
This detailed site provides numerous topics such as cool facts, range, habitat, diet, behavior, reproduction, and conservation status. In addition, you can listen to the sounds of this bird species.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Little Blue Heron
The topics highlighted in the comprehensive site are cool facts, description, range, habitat, diet, behavior, reproduction, and conservation status. In addition, you can listen to sounds of this bird species.
University of Houston
University of Houston: Engines of Our Ingenuity: Hero(n) of Alexandria
Describes the life of Hero of Alexandria and discusses Hero's contribution to the development of the steam engine. Text is the actual radio transcript of a syndicated radio broadcast on invention and ingenuity.
Curated OER
University of St Andrews: Heron of Alexandria
This University of St. Andrews site contains information on the life of Heron as well as his accomplishments.
Curated OER
University of British Columbia: Heron's Criterion
This site from the University of British Columbia describes and provides examples of Heron's Formula.
Curated OER
University of British Columbia: Heron's Criterion
This site from the University of British Columbia describes and provides examples of Heron's Formula.
Curated OER
University of British Columbia: Heron's Criterion
This site from the University of British Columbia describes and provides examples of Heron's Formula.
Curated OER
University of British Columbia: Heron's Criterion
This site from the University of British Columbia describes and provides examples of Heron's Formula.
Curated OER
University of British Columbia: Heron's Criterion
This site from the University of British Columbia describes and provides examples of Heron's Formula.
Curated OER
University of British Columbia: Heron's Criterion
This site from the University of British Columbia describes and provides examples of Heron's Formula.
Curated OER
Educational Technology Clearinghouse: Clippix Etc: Heron
A Great Blue Heron Wings Spread
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