Feathers and Topography. Feathers. Origin: Originally thought to have evolved from scales Now thought to be novel structures Composed of beta-keratins Weigh 2-3 times the skeleton. http://www.themodernapprentice.com/feathers.htm. A group of crows is known as a murder.
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The smallest bird in the world: Bee Hummingbird
The most abundant bird? Possibly the Red-billed Quelea (Africa). 10 billion strong. (Cornell Lab of Ornithology)
A group of flamingoes is know as a flamboyance.