Tuesday, August 31, 2010

John Heinz National Wildlife Refuge

I found this Painted Turtle basking in the sun at the John Heinz National Wildlife Refuge in Philadelphia. That's right, Philadelphia! This is actually the largest remaining freshwater tidal marsh in the entire state of Pennsylvania, and it is located in the City of Philadelphia.

At one time, this marsh extended over 5700 acres. As the city grew, the marsh was drained and filled. It was finally saved from complete destruction in 1972, with only 200 acres left. Today, these 200 acres are home to many Painted Turtles (and other creatures).

An interesting thing I learned about Painted Turtles is that when they hibernate for the winter, they bury themselves up to 3 feet deep in the mud at the bottom of a pond or stream. This keeps them just above freezing temperature, but of course does not allow them to breathe air. Painted Turtles have evolved the amazing ability to survive for up to 4 months with no oxygen!

The trick to "holding your breath" for so long is to avoid the buildup of toxic lactic acid in your blood. Since the Painted Turtle is hibernating, its production of lactic acid is very low to begin with.

But then something very interesting happens - the turtle releases calcium carbonate and magnesium carbonate from its shell into its blood stream, to buffer the lactic acid. It also takes up lactic acid from its blood into its shell with the same effect. Voila, he can hold his breath for 4 months!

We saw various other animals at the refuge including deer, fish, frogs, birds and insects. The only other halfway decent photo I got was this one of an oddly colored dragonfly. It is known as a Low-flying Amber-wing.

If you are ever in Philly, check out the John Heinz National Wildlife Refuge. It is nearby Fort Mifflin which I previously posted about.


  1. Great post, I have been wanting to visit this wildlife refuge. Love the turtle and the Amberwing.

  2. A bulk of online users acquire rolex replica been taken advantage of by several online users through the years. This has decreased the affiliated of aggressiveness of online consumers to online sellers. But it did not hindered online users louis vuitton replica from aggravating their luck on accolade reliable and competent online sellers. There are still actually a bulk of bogus sellers online that is demography advantage of the anonymity that the basal date is offering. This could be the artifice in the able online business and/or trading industry. Could this be the bureau that will chanel replica arrest the beforehand of the online market?

  3. the 3 century watch from Designer handbags seventeenth Century, can be said to be the golden age for the development of the art of handbag replica watchmaking, deeply influenced the process of technology today watch. Watches Replica the practical performance in twentieth Century has been replaced by a more compact watch, watch technology is also Replica Rolex Watches transferred to the continued development of the watch. Therefore, when people watch this timepiece style re UK Replica watches .

  4. Over the years there have been many different Michael Kors Outlet Store launched with some being more successful than others. Even the Michael Kors Outlet that did not reach the dizzying heights of success as some of Michael Kors's best sellers were still very, very well made leather handbags. One such Michael Kors Outlet Store Online that became a fashion icon was the Michael Kors Wristlet Sale.
    If you want to get more information,click here!

  5. Has filled a key spot for the Tide at the left guard position. However, many analysts don know if his absence will have much of an impact on the Orange Bowl due to the Sooners weaker defense. Instead, analysts say the violation could end up hurting Alabama if they win the Orange Bowl and head to the National Championship game..

    Another surviving Davidian testified that Koresh distributed grenades the day the compound burned. Houston lawyer Dick ripped t shirt DeGuerin, who represented Koresh and met him in the funny t shirts for women compound during the siege, acknowledged in 1995 congressional hearings that the sect had illegal weapons. At least 48 illegal machine guns were recovered from the burnt compound.

  6. Coach Outlet Online Clearance was the bamboo handle that was used on all of their Coach Factory Outlet Online to give it a distinction from all others. In fact, look at all other handbags to make sure that the style of the Coach Handbags Outlet Sale that you want to purchase is something that you will like. Never purchase Official Coach Factory Outlet Online based upon its namebrand recognition unless you truly do like the quality and style of the item.

    Tags:Coach Bags On Sale At Outlet | Coach Factory Online Sale Invitation | Coach Outlet Online Clearance

    Before purchasing Michael Kors Factory Outlet Online Store At Wholesale Price, it is important to have a mindset that allows you to find the right Michael Kors Factory because it is right for you. Any designer Michael Kors Factory Outlet Online, even a Discount Michael Kors Handbags, can make or break your image based upon your own personality and personal wardrobe. If you are looking for more information on Michael Kors,click here.

    Tags: Michael Kors Factory Outlet | Michael Kors Clearance Bags | Michael Kors Store Locator


  7. شركة تنظيف في الكويت شركة تنظيف بالكويت
    فني صحي فني صحي في الكويت
    سباك الكويت سباك بالكويت

    شركة تنظيف كنب الكويت تنظيف كنبات الكويت
    ادوات صحيه الكويت ادوات صحيه الكويت
    شركة غسيل سجاد الكويت غسيل سجاد الكويت
    فني كهربائي منازل الكويت كهربائي منازل في الكويت

  8. Will examine everything thoroughly, we have to think out of box and have to find a solution according to Coach Bags Clearance our cricket culture, and we will take everyone along, Cheap Ray Ban Glasses he said. He has no restriction and no terms. There are elections coming in India next Michael Kors Outlet Store year MK Outlet and things will be cleared only after that. New Yeezys 2020

    One problem for many people when they think about innovation is that Nike Air Force 1 Cheap Outlet typically they think about product. However, we know that customers form relationships with brands not products. And we know that the areas of that relationship that are often given least attention but which mean most to the customer are New Jordan Shoes 2020 in communications, service, sales and support.

    Illicit drugs can change chemicals in the brain that can make it hard to recall memories.Sleep deprivation. Both quantity and quality of Coach Bags Outlet sleep are important to memory. Getting too little sleep or waking frequently in the night can lead to fatigue, which interferes with the ability Coach Outlet Clearance to consolidate and retrieve information.Depression and stress.

  9. cool, please guidance so that I can create a blog like yours

  10. I found this is an informative latest trending topics youtube channel and website and also very useful and knowledgeable

    Trending news spotlight

    Trending news spotlight | website

  11. Very helpful information specifically the final phase. I handle such info a lot. I used to be seeking this certain info for a long time.

  12. you’re in reality a good webmaster. The website loading velocity is amazing.
    It sort of feels that you are doing any distinctive trick. 바카라사이트

  13. The contents are masterpiece. you’ve performed a wonderful job in this topic! 사설토토