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Crane (Bird) - Wikipedia, the Free Encyclopedia
Wikipedia's information about the crane (bird).
https://en.wikipedia.org/wiki/Crane_(bird)
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Rallidae - Wikipedia, the Free Encyclopedia
Wikipedia's information on rallidae.
https://en.wikipedia.org/wiki/Rallidae
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Crane (Gruidae) - A-Z Animals
The crane is a large, long-beaked bird that is found all over the world. There are 15 different species of crane found on Earth today, but despite their similar appearance, cranes are not related to other long-necked birds such as herons.
http://a-z-animals.com/animals/crane/
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Common Crane Video - Grus grus - ARKive
Common crane courtship display - View incredible Common crane videos - Grus grus - on ARKive
http://www.arkive.org/common-crane/grus-grus/video-09a.html
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Crane - Bird - Britannica
Any of 15 species of tall wading birds of the family Gruidae (order Gruiformes). Superficially, cranes resemble herons but usually are larger and have a partly naked head, a heavier bill, more compact plumage, and an elevated hind toe.
http://www.britannica.com/animal/crane-bird
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King Rail - Rallus elegans - ARKive
Learn more about the King rail - with amazing King rail photos and facts on ARKive
http://www.arkive.org/king-rail/rallus-elegans/
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Sandhill Crane, Identification - All About Birds
Learn how to identify Sandhill Crane, its life history, cool facts, sounds and calls, and watch videos. Whether stepping singly across a wet meadow or filling the sky by the hundreds and thousands, Sandhill Cranes have an elegance that draws attention.
https://www.allaboutbirds.org/guide/Sandhill_Crane/id
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Clapper Rail - Audubon Field Guide
A clattering cackle in the salt marsh is often our first clue to the presence of this big rail. The Clapper Rail is usually hidden in dense cover, but sometimes we see it stalking boldly along the muddy edge of the marsh, twitching its short tail as it walks, or swimming across a tidal creek.
https://www.audubon.org/field-guide/bird/clapper-rail
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The RSPB: Crane
The crane is a huge, graceful, mainly grey bird with long legs, a long neck and drooping, curved tail feathers.
https://www.rspb.org.uk/discoverandenjoynature/discoverandlearn/birdguide/name/c/crane/
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Crane - San Diego Zoo Animals
From their powerful calls to their intricate dances, cranes have enchanted people for centuries. These birds fly through Australian and Native American legends and European folklore, and some species are considered sacred in Asia.
http://animals.sandiegozoo.org/animals/crane
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International Crane Foundation
The World of Cranes Truly global citizens, the world's 15 species of cranes range freely over five continents.
https://www.savingcranes.org/species-field-guide/
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Beauty of Birds: Cranes
Cranes (Gruidae) occur on all continents except Antarctica and South America. Some species are long-distance migrants, while those found in warmer climates are mostly sedentary (non-migratory).
https://www.beautyofbirds.com/cranes.htm
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Cranes and Herons - Bird With Me
Six varieties of herons, ranging in size from 46 in length (Great Blue), to just 18 in length (Green) span the North American continent, with the Great Blue Heron being the most common.
http://www.birdwithme.com/articles-link-library/cranes-and-herons/
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Crane Facts - Rowe Sanctuary
Cranes are among the oldest living birds on the planet. A crane fossil found in the Ashfall Fossil Beds in northeast Nebraska, estimated to be about 10 million years old, is the crowned crane, a close relative of the sandhill crane.
http://rowe.audubon.org/crane-facts
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Whooping Crane, Identification - All About Birds
Learn how to identify Whooping Crane, its life history, cool facts, sounds and calls, and watch videos. The tallest bird in North America, the graceful Whooping Crane is an inspirational symbol of conservation.
https://www.allaboutbirds.org/guide/Whooping_Crane/id
