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Climate Change May Be Super-Sizing Birds

Researchers from San Francisco State University and Point Reyes Bird Observatory believe that among the wide array of consequences and adaptations that are occurring with climate change, birds are getting larger and fatter.

The team analyzed data from thousands of birds that were caught and released over the past few decades in the viagra overnight delivery San Francisco Bay and Point Reyes National Seashore area and found that birds, on average, had increased in mass and in wingspan over the past 27 to 40 years.

The researchers believe that climate change could be leading to this super-sizing of the birds in a couple of ways.  One is that birds could be storing more fat to survive the harsher winter storms that have become more common as the world warms.  The other cause may be that climate change is affecting plant growth in a way that is leading to fatter birds.

While this doesn't seem to be a negative development so far, the researchers say these type of discoveries make it necessary to understand why some plants or animals are getting larger and some smaller and wow it's great buy viagra online canadian phamacy what the real impact of levitra levitra those changes could be.

via Discovery News



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Comments (3)Add Comment
written by Juan Miguel Ruiz, November 03, 2011
You'd think that since their prey was getting smaller, they would adapt to reduce their size. I guess one reason for growing larger is to increase their flight range to increase their hunting area. Hopefully this doesn't turn into a problem. Imagine eagles the size of pterodactyls, that would just be insane. smilies/cheesy.gif

Juan Miguel Ruiz (Going Green)
written by Joachim, November 04, 2011
The increase in size of the birds may not be due to global warming at all. It could be caused by growth hormones leaking into the natural environment. Growth hormones are fed to livestock in large quantities in N. America.
written by John Cadder, November 05, 2011
I have no argument with climate change but do disagree with this theory. Human beings are getting fatter and larger mostly because of the abundance of fattier foods we eat and in turn throw away. Birds are great scavengers. It is only natural they would ape their feeders.

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