The Cornell Lab of Ornithology is a laboratory dedicated to research in the field of ornithology at Cornell University. The lab is focused on the understanding and conservation of birds, but also does research, more generally, on biological diversity; specific programs include bird population studies, a bioacoustics research program and an evolutionary biology program. It also includes programs that promote citizen science, such as the BirdSource Project. The lab is located in the Sapsucker Woods in Ithaca, New York and includes trails that are open 365 days a year. Research is an active, diligent and systematic process of inquiry in order to discover, interpret or revise facts, events, behaviours, or theories, or to make practical applications with the help of such facts, laws or theories. ... Ornithology (from the Greek ornitha = chicken and logos = word/science) is the branch of biology concerned with the scientific study of birds. ... For other uses of the name Cornell, see Cornell (disambiguation). ... Orders Many - see section below. ... Biodiversity or biological diversity is the diversity of and in living nature. ... Citizen science is a term used for a project (or ongoing programme of work) which aims to make scientific discoveries, verify scientific hypotheses, or gather data which can be used for scientific purposes, and which involves large numbers of people, many of whom have no specific scientific training. ... It has been suggested that Ithaca Commons be merged into this article or section. ...

The lab's library, the Macaulay Library of Natural Sounds, includes the largest collection of animal sounds with more than 160,000 recordings.

In the spring of 2005, the Cornell Lab of Ornithology made the stunning announcement that the ivory-billed woodpecker, thought to have been extinct for decades, had been rediscovered in Arkansas. 2005 is a common year starting on Saturday of the Gregorian calendar and is the current year. ... Binomial name Campephilus principalis (Linnaeus, 1758) The Ivory-billed Woodpecker (Campephilus principalis) is a member of the woodpecker family, Picidae. ... State nickname: The Natural State Other U.S. States Capital Little Rock Largest city Little Rock Governor Mike Huckabee (R) Official languages English Area 137,732 km² (29th)  - Land 134,856 km²  - Water 2,876 km² (2. ...

External links

• Cornell Lab of Ornithology
• A virtual tour of the Cornell Lab of Ornithology
• All About Birds: Online Bird Guide
• Ivory-billed woodpecker
• The Macaulay Library of Natural Sounds