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Project Collision Aves y Ventanas Costa Rica | A Citizen Science Project

Project Collision Aves y Ventanas Costa Rica | A Citizen Science Project

Join this citizen science project!

Birds hit and killed against glass many years ago. It is something new to us, really. What is new is to unite to better understand the problem and do something about it. In the United States, it has been determined that between 365 and 988 million birds die each year by beating against windows. In Canada, it is estimated that between 16 and 42 million birds die, also each year. Are many birds dying to hit windows in Costa Rica? Which birds die? Can you do something about it?

Citizen science (working with volunteers) is an excellent option to study this problem, as houses and buildings are scattered and it is very difficult for a single person to have an idea of ​​what is happening. Nowadays, the existence of communication networks, such as social networks, greatly facilitates collaborative work and, for years, the potential of working with citizens throughout the country has been discovered. If you want to learn more about the potential of citizen science you can read this article.

Ready to help?

If at your home, place of work or places you are traveling you will find a stunned or dead bird near a building and under a window.

What do you do when you find a live bird that has struck a glass?

Take two pictures of the bird, making sure to make the front and back visible. Then place it in a cardboard box with small holes (to breathe) and leave it calm for about 30 minutes, so that it can recover and regain strength, and also, so that it is safe from predators. If after that time the bird is active inside the carton, take it to an open place, away from windows and let it go.

Take a dorsal, lateral and ventral photograph of the bird. (Photos taken from Hager and Cosentino 2014).

Take a photo or two of the window and the building where the bird might have hit. It is interesting to know if the building has a single floor or more, whether the window is large or small and the type of glass. The photo will help to have a good idea of ​​the site.

What other data to take?

1) Find site: coordinates

2) Date the bird was found.

3) Time the bird was found, or better still, in that the bird hit the window.

4) Name of the species. (Desirable but not essential). That is, if the person can not identify the species, he simply omits this information, as the photograph will serve to identify the bird.

5) Description of the glass window or door: : first, second or another? Is the glass transparent, dark or polarized? What is in front of the window?

6) State of the bird. It can be described whether the bird was alive or dead. Any sign that you want to describe that catches your eye. For example, blood in the beak or another.

Here is an example of the information that can be provided:

Send these data to or upload them to the group in facebook "Aves y Ventanas Costa Rica". You can also send them as a message to Rose Marie Menacho O. on Facebook.

In advance, thank you for any information you can provide to enrich this study.

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