Our Feathered Friends - Presentation Slide

Slide

1. Our Feathered Friends Birds (Aves) – about 10,000 living species inhabit ecosystems across the globe

2. Interesting Facts About Birds Body structure Wings and feathers Thin, lightweight skeleton Size Smallest from 2 inches Largest to 9 feet tall Body function Four-chambered heart Very efficient lungs Reproduction Internal fertilization External development in egg Social communicators Visual signals Calls and songs

3. Bird Anatomy Beak Eye Mantle Wing spread to cover prey Coverts Cloak covering shoulders Tertials Flight feathers Primaries One of main flight feathers Tarsus Small bones behind main limb Feet Belly Breast Throat

4. Bird Anatomy Beak Eye Primaries Mantle Coverts Tertials Tarsus Feet Belly Breast Throat

5. Famous Ornithologists John James Audubon 1785-1851 – keen observer of birds and nature Alexander Wilson 1766-1813 – conducted first breeding bird census John Gould 1804-1881 – learned taxidermy at Windsor Castle