Why Do Birds Migrate? (Educator Version) | California Academy of Sciences скачать в хорошем качестве

Why Do Birds Migrate? (Educator Version) | California Academy of Sciences

Why do birds migrate? Photosynthesis fuels food webs. See how seasonal changes drive patterns in animal behavior. Track the movement of two migratory birds of prey—ospreys and turkey vultures—as they travel between North and South America over a single calendar year. Data Sources: Ocean Productivity: Michael Behrenfeld; Land Productivity: NASA MODIS; Bird Tracking Data: Rob Bierregaard, Adam Shreading, Dodge S, Bohrer G, Bildstein K, Davidson SC, Weinzierl R, Mechard MJ, Barber D, Kays R, Brandes D, Han J. Video Credit: California Academy of Sciences Visualization Studio - - The California Academy of Sciences is the only place in the world with an aquarium, planetarium, natural history museum, and four-story rainforest all under one roof. Visit us online to learn more and to get tickets: http://www.calacademy.org. Connect with us! • Like us on Facebook: http://bit.ly/CASonFB • Follow us on Twitter: http://bit.ly/CASonTwitter • Add us on Google+: http://bit.ly/CASonGoogle