About us: We own the Wild Birds Unlimited nature shop in East Lansing, Michigan,
a store that provides a wide variety of supplies to help you enjoy the birdwatching hobby.

This blog was created to answer frequently asked questions & to share nature stories and photographs.
To contribute, email me at bloubird@gmail.com.

Monday, July 20, 2009

How many chickadees does it take to equal the weight of one squirrel?

How do the weight activated squirrel proof feeders work? Why don’t they shut down when 4 birds sit on the feeder?

Most birds have hollow bones with internal struts that make them very strong. (Exceptions include swimming birds, like loons, which have solid bones to help them dive up to 150’ for food.)

Birds also have a smaller total number of bones than mammals. This is because many of their bones have fused together, making the skeleton more rigid. Birds do have more neck vertebrae than many other animals to help them groom their feathers. But overall it takes over 65 chubby chickadees to equal the weight of one medium squirrel.
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1 comment:

Tina Coruth said...

Wow! This is very interesting.