PDF-AMERICAN BIRDS This article is based on a story that

David Bonter dnb23cornelledu is the project leader for Project FeederWatch at the Lab of Ornithology He recently completed his doctoral research examining patterns of migratory behavior of birds in the Great Lakes basin Wesley Hochachka wmh6cornelle. State of the . World’s Birds . www.birdlife.org/datazone/sowb. BirdLife International World Congress. Partnerships for Nature and People. Ottawa Canada. June 19-22 2013. “The status of the world’s birds is declining”. Chapter 6. Neornithes. Modern bird lineage. Approx 10,000 species. Originated 90-100 . Mya. in Cretaceous. Evolutionary History. 150 . Mya. dinosaurs & pterosaurs. 1860: single feather. 1861: skeletal remains. . wadden. . sea´s. . birds.  "BLACK SUN". Birdwatching. is a popular activity with some of the best conditions in spring and autumn.  Particularly the starling migration during spring and autumn is an incredible sight. In Denmark we call this natural phenomenon “Black Sun” because thousands of starlings cover the sun, so that it cannot be seen.. Birds of Prey. Eat vertebrates . Mammals, birds, fish, reptiles, and amphibians . Have strong . legs and feet . Have keen vision for spotting prey while in flight. Use curved, sharp talons to capture & carry prey . . About 9,000 species of . birds. are in the . class Aves. ..   Bird classification is based on beak and foot types, and some habitats and behaviors. . Birds of prey have notched beaks and sharp talons. .  . This free educational program will help teachers incorporate endangered animals, biodiversity, conservation and environment themes into the curriculum across multiple disciplines including the visual arts. Evolution of birds . Kingdom . Animalia. , Phylum . Chordata. , Class Aves. Where did they come from?. From the Mesozoic Era, a debate of how they originated. . Two Hypotheses exist:. . Thecodont. . 18A. Common Characteristics. Covered with feathers. Have thin-walled, often hollow bones (these bones are not lighter, but they are denser, stiffer, and stronger). Require enormous amounts of energy. prepared . by Group 2. Hawks, kites and eagles. family . :. Accipitridae. ; birds of prey . hawks, eagles, kites, harriers and Old World vultures.. Discription. :. These birds have powerful hooked beaks for tearing flesh from their prey, strong legs, powerful talons, and keen eyesight.. Focal Species. Look at the bird!. Accurate Data are Important!. . Size & Shape. Color Pattern. Behavior. Habitat. Field Marks. Songs & Calls . Where did I see the bird? . Does it remind me of any other birds?. Majestic Birds of Prey. Birds of prey are all flesh eaters. All take live prey except for the vulture, which lives on carrion (dead decaying flesh). They all have a curved, sharp, strong bill for tearing flesh, and feet with strong curved talons. Each bird is representative of a different family except the two eagles.. Andrew Miller. Biology and Chemistry Department. Baker University, Baldwin City, KS 66006. Introduction:. This project looked at the changes in fat scores and weight in two species of birds, Tufted Titmouse (. Chapter 16. Birds. Birds belong to the class Aves.. Aves comes from the Latin word for bird. .. First appeared on Earth 150 million years . ago. Section 1. Bird Characteristics. S. hare some characteristics with reptiles. Native Hawaiian Birds Project 1 By Jordan and Kako http://www.bird- friends.com/pics/ papane Purpose of Our Experiment