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This is perhaps best understood by seeing the diagram. The base of the feather - where their are no side branches - is called the calamus or quill and at the base of this is the hollow entrance that was used by blood veins to carry nutrients to the growing feather when it was alive, ... The largest feathers are contour feathers.
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www.earthlife.net/birds/feathers.html
www.earthlife.net/birds/feathers.html
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Tell them to look closely at the contour and down feathers with their magnifiers. Explain that the hard center tube is called the shaft and the rest of the feather is called the vane. EXTENSION Have each student draw a diagram of his or her contour feather and down feather and label the vane and the shaft.
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www.desertmuseum.org/center/edu/docs/1-2_FeatheredFrien...
www.desertmuseum.org/center/edu/docs/1-2_FeatheredFriends_features.pdf
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Contour feathers give the bird its characteristic smooth round shape. They also give the bird its visual coloring and provide a first level ... Semiplumes are half-way between a contour feather and a down feather. These occur between the contour feathers and help to supply insulation and a certain amount of form as well.
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fernbank.edu/Birding/feathers.htm
fernbank.edu/Birding/feathers.htm
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The feathers most commonly observed are contour and down feathers. Contour feathers cover the body of a bird and have a strong, hollow shaft and network of hooks or barbules (see diagram). The contour feathers on the tail and wings have been modified for flight.
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www.inhs.illinois.edu/resources/virtualbird/teacher/les...
www.inhs.illinois.edu/resources/virtualbird/teacher/lespl1.html
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One line in the 55-page Spearman and Hardy (1985) chapter entitled "Integument" reads, "There are seven basic types of feather: contour feather, semiplume, down feather, ... Fast forward a couple of hundred million years of the same variation, mutation, and selection, and you end up with modern bird feathers. Simple, no?
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www.talkorigins.org/faqs/feathers.html
www.talkorigins.org/faqs/feathers.html
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b) Contour and Flight Feathers: Birds have stiff contour feathers that maintain their shape through a series of microscopic hooklets and barbules on barbs of the feather. Show feather diagram. Stiff feathers allow a bird to fly, give the bird its general body shape and coloration and serve as adornments in some species.
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extension.usu.edu/waterquality/files/uploads/NRFD/What%...
extension.usu.edu/waterquality/files/uploads/NRFD/What%20Makes%20a%20Bird%20A%20Bird%20NR%20Field%20Days%2008.pdf
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Contour feathers cover the body of a bird and have a strong, hollow shaft and network of hooks or barbules (see diagram on page 16). The contour feathers on the tail and wings have been modified for flight. Down feathers are small and lie under the contour feathers. ... Parts of a Feather feather tip EVALUATION 1.
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dnr.state.il.us/education/CLASSRM/birds/lesson1.pdf
dnr.state.il.us/education/CLASSRM/birds/lesson1.pdf
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Teaching Children Through Crafts and Activities ... Paper Craft Projects for Kids - Page 1 ... Glue the flap to the top of the bag so that it overlaps the bag 2" as indicated diagram 2.
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www.daniellesplace.com/html/paper_crafts1.html
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Put discription here ... 1. Cut a piece of ribbon ten inches long and fold it in half. Fold in the folded end of the ribbon to make a triangle shape at the end as shown in the top, right diagram. ... Feather Bird Craft; © 2000, Carolyn Warvel...
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www.daniellesplace.com/html/birdcrafts.html
www.daniellesplace.com/html/birdcrafts.html
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