Wolfram Research
Wolfram Math World: Heron's Formula
This site provides a detailed overview of Heron's Formula. Content includes a definition, example, and formula.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Black Crowned Night Heron
This detailed site features an abundance of facts, photos, and sounds of the Black-crowned Night Heron. Topics featured are: cool facts, description, range, habitat, food, behavior, reproduction, and conservation status.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Yellow Crowned Night Heron
This brief sitre gives you the opportunity to listen to the sounds of the Yellow-crowned Night Heron and peruse facts that describe this species and discuss its geographical range.
Canadian Wildlife Federation
Hinterland Who's Who: Great Blue Heron
Canadian Wildlife site features the Great Blue Heron. Highlights its habitat and habits, range, feeding and breeding characteristics.
A-Z Animals
A Z Animals: Animal Facts: Heron (Ardeidae)
This entry identifies the defining characteristics Ardeidae, more commonly known as the heron.
Royal Canadian Geographical Society
Canadian Geographic: Animal Facts: Great Blue Heron
Learn fast facts, the physiology, habitats, behaviors and range of the great blue heron.
University of St. Andrews (UK)
University of St. Andrews: Biography of Hero
This University of St. Andrews site contains information on the life of Heron as well as his accomplishments.
CK-12 Foundation
Ck 12: Trigonometry: Heron's Formula
[Free Registration/Login may be required to access all resource tools.] This lesson covers Heron's Formula and problem solving using trigonometry.
Math Open Reference
Math Open Reference: Heron
Learn about the life and mathematical discoveries of Greek mathematician, Heron.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is Heron's Formula?
Define's Heron's Formula and provides examples for how to use the formula to calculate the area of a triangle.
PBS
Nh Pbs: Nature Works: Black Crowned Night Heron
What do you know about the Black-crowned Night Heron? Come and discover more about this wading bird's' reproduction, diet, habitat and more through this educational resource.
PBS
Nh Pbs: Nature Works: Yellow Crowned Night Heron
Come and check out this educational resource featuring the Yellow-crowned Night Heron. This site identifies the characteristics, life cycle, diet, habitat, range, behavior and photographs of this aquatic bird.
PBS
Nh Pbs: Nature Works: Tricolored Heron
This site created by NatureWorks focuses on the Tricolored Heron. Learn more about this aquatic bird's characteristics, life cycle, diet, behavior, range and habitat through the exploration of this source.
PBS
Nh Pbs: Nature Works: Little Blue Heron
Find out more about the Little Blue Heron through this educational resource. The content of this source includes information on behavior, characteristics, life cycle, diet, habitat and range.
PBS
Nh Pbs: Nature Works: Green Heron
What makes the green heron unique? Come and discover more about this aquatic bird when you explore this educational resource. This site includes information on diet, range, habitat, characteristics, behavior and life cycle.
PBS
Nh Pbs: Nature Works: Great Blue Heron
This overview provides students and teachers with a brief description of the Great Blue Heron. The content of this resource includes information on the behavior, life cycle, characteristics, habitat, range and diet of the aquatic bird.
Cornell Lab of Ornithology
Cornell Lab of Ornithology: Green Heron
Did you know the the Green Heron uses bait to catch small fish? Find out more interesting facts on this authoritative site. In addition, you can listen to the sounds of this bird species.
Nature Canada
Nature Canada: Great Blue Heron
The great blue heron ranges all over North America and into the Caribbean and northern South America. Its population is healthy at this time.
University of Florida
Baldwin Library: Moral Heronism
A scanned copy of the 1850 publication of Moral Heronism, a nonfiction book for children.
Math Is Fun
Math Is Fun: Heron's Formula
Learn a formula, created thousands of years ago, that you can use to calculate the area of a triangle if you know all three sides' lengths.
Other
Math Pages: Heron's Formula and Brahmagupta's Generalization
This resource provides detailed information and pertinent graphs dealing with Heron's Formula and Brahmagupta's Generalization. Useful for any student who is studying these two concepts.
Texas Instruments
Texas Instruments: Heron's Formula
This activity allows students to find the area of a triangle using Heron's formula.
Math Open Reference
Math Open Reference: Heron's Formula
Learn about corresponding angles with this resource which offers detailed explanations, examples, and interactives. Subjests covered include the area of a triangle. Links to related topics.
Chicago Zoological Society
Chicago Zoological Society: Zoo Explorer: Little Blue Heron
Get to know the little blue heron by browsing this brief summary from the Brookfield Zoo. This animal guide offers quick facts, a photo, and information on the appearance, social behaviors, and mating habits of these colonial nesters.
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