Happy National Fossil Day!

October 13, 2010 has been designed as the very first National Fossil Day in the United States.

"National Fossil Day is a celebration organized by the National Park Service to promote public awareness and stewardship of fossils, as well as to foster a greater appreciation of their scientific and educational values." - National Park Service website

So, what is a fossil? "Fossils are the remains or traces of organisms that were once alive," as per the National Fossil Day FAQs page. A fossil could have occurred when a seashell left an impression in ancient mud, or you might find a fossil bone from a prehistoric animal. Fossils can be large or small. More than 230 National Park Service locations work on the preservation of fossils.

I like to collect fossils. I have some fossilized seashells that I found in California and Utah. Some are impressions, or trace fossils, and some are the actual shells, or body fossils. It's always fun to look at the rocks and imagine what prehistoric life must have been like. Remember that some locations - like national parks - prohibit the collection of fossils and other natural resources.

The NPS has a Junior Paleontologist Program for kids ages 5-12. Check out these educational opportunities. You can make your own fossils! National Fossil Day even has its own song. And if that's not enough fossil goodness, visit this list of additional resources about fossils and paleontology compiled by the NPS.

Enjoy!


Photo credit: Kevin Walsh, via flickr // CC BY 2.0

Giant frog gets new friend: Titanoboa

Well, the ancient giant "frog from hell" finally has some company! As reported by Nature, scientists have recently unearthed the world's biggest snake fossil. The snake, thought to have been about 42 feet long and have weighed 2,500 pounds (!), lived about 60 million years ago in northeastern Colombia. Primarily aquatic, the snake could slither on land and is thought to have crushed its prey like a modern day boa constrictor.

So what did this mammoth monster eat? Probably crocodiles or fish, according to an article written by TimesOnline environment reporter Lewis Smith. Based upon the size of these cold-blooded creatures, scientists are hypothesizing that the earth must have been quite warm back then, over 7 degrees F hotter than today's average temperatures.

Now, I realize that the giant frog was hopping around Africa some ten million years earlier than the giant snake went cruising along in South America. But doesn't it make you wonder what our planet looked like so many millions of years ago? (How big were the bugs?!)