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Tag Archive | "bird populations"

The Great Backyard Bird Count


This Red-tailed Hawk photo was taken by Peter Ferguson, 2015 GBBC.

This Red-tailed Hawk photo was taken by Peter Ferguson, 2015 GBBC.

Join the Great Backyard Bird Count Feb. 17-20

Launched in 1998 by the Cornell Lab of Ornithology and National Audubon Society, the Great Backyard Bird Count was the first online citizen-science project to collect data on wild birds and to display results in near real-time.

Now, more than 160,000 people of all ages and walks of life worldwide join the four-day count each February to create an annual snapshot of the distribution and abundance of birds.

We invite you to participate! For at least 15 minutes on one or more days of the count, February 17-20, 2017, simply tally the numbers and kinds of birds you see. You can count from any location, anywhere in the world, for as long as you wish!

If you’re new to the count, or have not participated since before the 2013 merger with eBird, you must create a free online account to enter your checklists. If you already have an account, just use the same login name and password. If you have already participated in another Cornell Lab citizen-science project, you can use your existing login information, too. Go to http://gbbc.birdcount.org/get-started/ to get started.

In 2016, Great Backyard Bird Count participants in more than 130 countries counted 5,689 species of birds on more than 162,000 checklists!

During the count, you can explore what others are seeing in your area or around the world. Share your bird photos by entering the photo contest, or enjoy images pouring in from across the globe. You can also add photos and sounds to your checklist.

Your help is needed every year to make the GBBC successful!

Then keep counting throughout the year with eBird (www.ebird.org) which uses the same system as the Great Backyard Bird Count to collect, store, and display data any time, all the time.

Why count birds?

Scientists and bird enthusiasts can learn a lot by knowing where the birds are. Bird populations are dynamic; they are constantly in flux. No single scientist or team of scientists could hope to document and understand the complex distribution and movements of so many species in such a short time.

Scientists use information from the Great Backyard Bird Count, along with observations from other citizen-science projects, such as the Christmas Bird Count, Project FeederWatch, and eBird, to get the “big picture” about what is happening to bird populations. The longer these data are collected, the more meaningful they become in helping scientists investigate far-reaching questions, like these:

  • How will the weather and climate change influence bird populations?
  • Some birds, such as winter finches, appear in large numbers during some years but not others. Where are these species from year to year, and what can we learn from these patterns?
  • How will the timing of birds’ migrations compare with past years?
  • How are bird diseases, such as West Nile virus, affecting birds in different regions?
  • What kinds of differences in bird diversity are apparent in cities versus suburban, rural, and natural areas?

The Great Backyard Bird Count is led by the Cornell Lab of Ornithology and National Audubon Society, with Bird Studies Canada and many international partners. The Great Backyard Bird Count is powered by eBird. 

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